Home / 621,702.27-932,553.35-172,423.14

Finding the Fourth Proportional to 621,702.27, 932,553.35 and 172,423.14

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Solution

The fourth proportional to 621,702.27, 932,553.35 and 172,423.14 is: 258,634.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,702.27 : 932,553.35 = 172,423.14 : x
  2. Step 2: Convert to fraction form
    621,702.27/932,553.35 = 172,423.14/x
  3. Step 3: Cross multiply
    621,702.27x = 932,553.35 × 172,423.14
  4. Step 4: Simplify right side
    621,702.27x = 160,793,773,758.50
  5. Step 5: Solve for x
    x = 160,793,773,758.50/621,702.27
  6. Step 6: Final answer
    x = 258,634.69

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Double scale
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Similar ratio
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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.