Home / 813,834.45-1,123,105.01-451,273.59

Finding the Fourth Proportional to 813,834.45, 1,123,105.01 and 451,273.59

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Solution

The fourth proportional to 813,834.45, 1,123,105.01 and 451,273.59 is: 622,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,834.45 : 1,123,105.01 = 451,273.59 : x
  2. Step 2: Convert to fraction form
    813,834.45/1,123,105.01 = 451,273.59/x
  3. Step 3: Cross multiply
    813,834.45x = 1,123,105.01 × 451,273.59
  4. Step 4: Simplify right side
    813,834.45x = 506,827,627,553.32
  5. Step 5: Solve for x
    x = 506,827,627,553.32/813,834.45
  6. Step 6: Final answer
    x = 622,765.02

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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.