Home / 813,652.62-1,122,906.92-451,190.13

Finding the Fourth Proportional to 813,652.62, 1,122,906.92 and 451,190.13

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Solution

The fourth proportional to 813,652.62, 1,122,906.92 and 451,190.13 is: 622,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,652.62 : 1,122,906.92 = 451,190.13 : x
  2. Step 2: Convert to fraction form
    813,652.62/1,122,906.92 = 451,190.13/x
  3. Step 3: Cross multiply
    813,652.62x = 1,122,906.92 × 451,190.13
  4. Step 4: Simplify right side
    813,652.62x = 506,644,516,956.75
  5. Step 5: Solve for x
    x = 506,644,516,956.75/813,652.62
  6. Step 6: Final answer
    x = 622,679.14

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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.