Home / 621,800.29-932,700.17-172,521.09

Finding the Fourth Proportional to 621,800.29, 932,700.17 and 172,521.09

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Solution

The fourth proportional to 621,800.29, 932,700.17 and 172,521.09 is: 258,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,800.29 : 932,700.17 = 172,521.09 : x
  2. Step 2: Convert to fraction form
    621,800.29/932,700.17 = 172,521.09/x
  3. Step 3: Cross multiply
    621,800.29x = 932,700.17 × 172,521.09
  4. Step 4: Simplify right side
    621,800.29x = 160,910,450,402.89
  5. Step 5: Solve for x
    x = 160,910,450,402.89/621,800.29
  6. Step 6: Final answer
    x = 258,781.56

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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.