Home / 724,557.60-1,086,836.40-444,232.80

Finding the Fourth Proportional to 724,557.60, 1,086,836.40 and 444,232.80

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Solution

The fourth proportional to 724,557.60, 1,086,836.40 and 444,232.80 is: 666,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,557.60 : 1,086,836.40 = 444,232.80 : x
  2. Step 2: Convert to fraction form
    724,557.60/1,086,836.40 = 444,232.80/x
  3. Step 3: Cross multiply
    724,557.60x = 1,086,836.40 × 444,232.80
  4. Step 4: Simplify right side
    724,557.60x = 482,808,377,113.92
  5. Step 5: Solve for x
    x = 482,808,377,113.92/724,557.60
  6. Step 6: Final answer
    x = 666,349.20

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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.