Home / 482,933.40-724,400.10-479,434.20

Finding the Fourth Proportional to 482,933.40, 724,400.10 and 479,434.20

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Solution

The fourth proportional to 482,933.40, 724,400.10 and 479,434.20 is: 719,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,933.40 : 724,400.10 = 479,434.20 : x
  2. Step 2: Convert to fraction form
    482,933.40/724,400.10 = 479,434.20/x
  3. Step 3: Cross multiply
    482,933.40x = 724,400.10 × 479,434.20
  4. Step 4: Simplify right side
    482,933.40x = 347,302,182,423.42
  5. Step 5: Solve for x
    x = 347,302,182,423.42/482,933.40
  6. Step 6: Final answer
    x = 719,151.30

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Double scale
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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.