Home / 813,834.14-1,123,104.56-451,273.28

Finding the Fourth Proportional to 813,834.14, 1,123,104.56 and 451,273.28

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Solution

The fourth proportional to 813,834.14, 1,123,104.56 and 451,273.28 is: 622,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,834.14 : 1,123,104.56 = 451,273.28 : x
  2. Step 2: Convert to fraction form
    813,834.14/1,123,104.56 = 451,273.28/x
  3. Step 3: Cross multiply
    813,834.14x = 1,123,104.56 × 451,273.28
  4. Step 4: Simplify right side
    813,834.14x = 506,827,070,702.27
  5. Step 5: Solve for x
    x = 506,827,070,702.27/813,834.14
  6. Step 6: Final answer
    x = 622,764.58

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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.