Finding the Fourth Proportional to 743,589.99, 1,026,160.65 and 404,058.24
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Solution
The fourth proportional to 743,589.99, 1,026,160.65 and 404,058.24 is: 557,603.88
Step by Step Solution
- Step 1: Write the proportion equation
743,589.99 : 1,026,160.65 = 404,058.24 : x - Step 2: Convert to fraction form
743,589.99/1,026,160.65 = 404,058.24/x - Step 3: Cross multiply
743,589.99x = 1,026,160.65 × 404,058.24 - Step 4: Simplify right side
743,589.99x = 414,628,666,196.26 - Step 5: Solve for x
x = 414,628,666,196.26/743,589.99 - Step 6: Final answer
x = 557,603.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.