Home / 748,052.20-1,031,244.78-461,380.24

Finding the Fourth Proportional to 748,052.20, 1,031,244.78 and 461,380.24

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Solution

The fourth proportional to 748,052.20, 1,031,244.78 and 461,380.24 is: 636,046.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,052.20 : 1,031,244.78 = 461,380.24 : x
  2. Step 2: Convert to fraction form
    748,052.20/1,031,244.78 = 461,380.24/x
  3. Step 3: Cross multiply
    748,052.20x = 1,031,244.78 × 461,380.24
  4. Step 4: Simplify right side
    748,052.20x = 475,795,964,095.15
  5. Step 5: Solve for x
    x = 475,795,964,095.15/748,052.20
  6. Step 6: Final answer
    x = 636,046.47

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.