Home / 868,505.28-1,198,585.14-481,312.56

Finding the Fourth Proportional to 868,505.28, 1,198,585.14 and 481,312.56

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Solution

The fourth proportional to 868,505.28, 1,198,585.14 and 481,312.56 is: 664,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,505.28 : 1,198,585.14 = 481,312.56 : x
  2. Step 2: Convert to fraction form
    868,505.28/1,198,585.14 = 481,312.56/x
  3. Step 3: Cross multiply
    868,505.28x = 1,198,585.14 × 481,312.56
  4. Step 4: Simplify right side
    868,505.28x = 576,894,082,111.36
  5. Step 5: Solve for x
    x = 576,894,082,111.36/868,505.28
  6. Step 6: Final answer
    x = 664,237.85

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Double scale
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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.