Home / 621,702.29-932,553.38-172,423.15

Finding the Fourth Proportional to 621,702.29, 932,553.38 and 172,423.15

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Solution

The fourth proportional to 621,702.29, 932,553.38 and 172,423.15 is: 258,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,702.29 : 932,553.38 = 172,423.15 : x
  2. Step 2: Convert to fraction form
    621,702.29/932,553.38 = 172,423.15/x
  3. Step 3: Cross multiply
    621,702.29x = 932,553.38 × 172,423.15
  4. Step 4: Simplify right side
    621,702.29x = 160,793,788,560.31
  5. Step 5: Solve for x
    x = 160,793,788,560.31/621,702.29
  6. Step 6: Final answer
    x = 258,634.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.