Home / 529,387.24-730,553.83-287,669.23

Finding the Fourth Proportional to 529,387.24, 730,553.83 and 287,669.23

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Solution

The fourth proportional to 529,387.24, 730,553.83 and 287,669.23 is: 396,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,387.24 : 730,553.83 = 287,669.23 : x
  2. Step 2: Convert to fraction form
    529,387.24/730,553.83 = 287,669.23/x
  3. Step 3: Cross multiply
    529,387.24x = 730,553.83 × 287,669.23
  4. Step 4: Simplify right side
    529,387.24x = 210,157,857,663.31
  5. Step 5: Solve for x
    x = 210,157,857,663.31/529,387.24
  6. Step 6: Final answer
    x = 396,983.23

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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.