Home / 621,705.17-932,557.71-172,426.04

Finding the Fourth Proportional to 621,705.17, 932,557.71 and 172,426.04

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Solution

The fourth proportional to 621,705.17, 932,557.71 and 172,426.04 is: 258,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,705.17 : 932,557.71 = 172,426.04 : x
  2. Step 2: Convert to fraction form
    621,705.17/932,557.71 = 172,426.04/x
  3. Step 3: Cross multiply
    621,705.17x = 932,557.71 × 172,426.04
  4. Step 4: Simplify right side
    621,705.17x = 160,797,227,481.85
  5. Step 5: Solve for x
    x = 160,797,227,481.85/621,705.17
  6. Step 6: Final answer
    x = 258,639.04

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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.