Home / 813,864.27-1,123,190.25-451,322.85

Finding the Fourth Proportional to 813,864.27, 1,123,190.25 and 451,322.85

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Solution

The fourth proportional to 813,864.27, 1,123,190.25 and 451,322.85 is: 622,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,864.27 : 1,123,190.25 = 451,322.85 : x
  2. Step 2: Convert to fraction form
    813,864.27/1,123,190.25 = 451,322.85/x
  3. Step 3: Cross multiply
    813,864.27x = 1,123,190.25 × 451,322.85
  4. Step 4: Simplify right side
    813,864.27x = 506,921,424,722.21
  5. Step 5: Solve for x
    x = 506,921,424,722.21/813,864.27
  6. Step 6: Final answer
    x = 622,857.45

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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.