Home / 621,498.15-932,294.21-172,213.83

Finding the Fourth Proportional to 621,498.15, 932,294.21 and 172,213.83

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Solution

The fourth proportional to 621,498.15, 932,294.21 and 172,213.83 is: 258,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,498.15 : 932,294.21 = 172,213.83 : x
  2. Step 2: Convert to fraction form
    621,498.15/932,294.21 = 172,213.83/x
  3. Step 3: Cross multiply
    621,498.15x = 932,294.21 × 172,213.83
  4. Step 4: Simplify right side
    621,498.15x = 160,553,955,729.86
  5. Step 5: Solve for x
    x = 160,553,955,729.86/621,498.15
  6. Step 6: Final answer
    x = 258,333.76

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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.