Home / 738,082.80-1,107,124.20-239,446.80

Finding the Fourth Proportional to 738,082.80, 1,107,124.20 and 239,446.80

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Solution

The fourth proportional to 738,082.80, 1,107,124.20 and 239,446.80 is: 359,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,082.80 : 1,107,124.20 = 239,446.80 : x
  2. Step 2: Convert to fraction form
    738,082.80/1,107,124.20 = 239,446.80/x
  3. Step 3: Cross multiply
    738,082.80x = 1,107,124.20 × 239,446.80
  4. Step 4: Simplify right side
    738,082.80x = 265,097,346,892.56
  5. Step 5: Solve for x
    x = 265,097,346,892.56/738,082.80
  6. Step 6: Final answer
    x = 359,170.20

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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.