Home / 724,029.40-1,086,044.10-500,080.60

Finding the Fourth Proportional to 724,029.40, 1,086,044.10 and 500,080.60

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Solution

The fourth proportional to 724,029.40, 1,086,044.10 and 500,080.60 is: 750,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,029.40 : 1,086,044.10 = 500,080.60 : x
  2. Step 2: Convert to fraction form
    724,029.40/1,086,044.10 = 500,080.60/x
  3. Step 3: Cross multiply
    724,029.40x = 1,086,044.10 × 500,080.60
  4. Step 4: Simplify right side
    724,029.40x = 543,109,585,154.46
  5. Step 5: Solve for x
    x = 543,109,585,154.46/724,029.40
  6. Step 6: Final answer
    x = 750,120.90

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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.