Home / 621,511.29-932,264.26-172,230.87

Finding the Fourth Proportional to 621,511.29, 932,264.26 and 172,230.87

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Solution

The fourth proportional to 621,511.29, 932,264.26 and 172,230.87 is: 258,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,511.29 : 932,264.26 = 172,230.87 : x
  2. Step 2: Convert to fraction form
    621,511.29/932,264.26 = 172,230.87/x
  3. Step 3: Cross multiply
    621,511.29x = 932,264.26 × 172,230.87
  4. Step 4: Simplify right side
    621,511.29x = 160,564,684,569.71
  5. Step 5: Solve for x
    x = 160,564,684,569.71/621,511.29
  6. Step 6: Final answer
    x = 258,345.56

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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.