Home / 724,491.70-1,086,737.55-500,542.90

Finding the Fourth Proportional to 724,491.70, 1,086,737.55 and 500,542.90

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Solution

The fourth proportional to 724,491.70, 1,086,737.55 and 500,542.90 is: 750,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,491.70 : 1,086,737.55 = 500,542.90 : x
  2. Step 2: Convert to fraction form
    724,491.70/1,086,737.55 = 500,542.90/x
  3. Step 3: Cross multiply
    724,491.70x = 1,086,737.55 × 500,542.90
  4. Step 4: Simplify right side
    724,491.70x = 543,958,764,815.90
  5. Step 5: Solve for x
    x = 543,958,764,815.90/724,491.70
  6. Step 6: Final answer
    x = 750,814.35

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Similar ratio
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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.