Home / 626,261.92-938,839.92-479,174.56

Finding the Fourth Proportional to 626,261.92, 938,839.92 and 479,174.56

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Solution

The fourth proportional to 626,261.92, 938,839.92 and 479,174.56 is: 718,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,261.92 : 938,839.92 = 479,174.56 : x
  2. Step 2: Convert to fraction form
    626,261.92/938,839.92 = 479,174.56/x
  3. Step 3: Cross multiply
    626,261.92x = 938,839.92 × 479,174.56
  4. Step 4: Simplify right side
    626,261.92x = 449,868,205,576.44
  5. Step 5: Solve for x
    x = 449,868,205,576.44/626,261.92
  6. Step 6: Final answer
    x = 718,338.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.