Home / 529,193.31-730,259.15-287,475.14

Finding the Fourth Proportional to 529,193.31, 730,259.15 and 287,475.14

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Solution

The fourth proportional to 529,193.31, 730,259.15 and 287,475.14 is: 396,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,193.31 : 730,259.15 = 287,475.14 : x
  2. Step 2: Convert to fraction form
    529,193.31/730,259.15 = 287,475.14/x
  3. Step 3: Cross multiply
    529,193.31x = 730,259.15 × 287,475.14
  4. Step 4: Simplify right side
    529,193.31x = 209,931,346,293.86
  5. Step 5: Solve for x
    x = 209,931,346,293.86/529,193.31
  6. Step 6: Final answer
    x = 396,700.68

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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.