See the calculation with sample numbers
A $1,000.01 project split 25% / 25% / 50% becomes $250.00, $250.00, and $500.01 so the schedule matches the quote exactly.
What can change the result?
This is a planning sheet. It does not check state or local limits on deposits or progress payments.
How this was calculated: Schedule adding to exactly the quoted cents, copyable summary and print sheet.