Home / 925,458.10-1,277,123.07-517,555.24

Finding the Fourth Proportional to 925,458.10, 1,277,123.07 and 517,555.24

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Solution

The fourth proportional to 925,458.10, 1,277,123.07 and 517,555.24 is: 714,221.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,458.10 : 1,277,123.07 = 517,555.24 : x
  2. Step 2: Convert to fraction form
    925,458.10/1,277,123.07 = 517,555.24/x
  3. Step 3: Cross multiply
    925,458.10x = 1,277,123.07 × 517,555.24
  4. Step 4: Simplify right side
    925,458.10x = 660,981,737,003.39
  5. Step 5: Solve for x
    x = 660,981,737,003.39/925,458.10
  6. Step 6: Final answer
    x = 714,221.14

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.