Home / 725,028.20-1,087,542.30-501,079.40

Finding the Fourth Proportional to 725,028.20, 1,087,542.30 and 501,079.40

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Solution

The fourth proportional to 725,028.20, 1,087,542.30 and 501,079.40 is: 751,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,028.20 : 1,087,542.30 = 501,079.40 : x
  2. Step 2: Convert to fraction form
    725,028.20/1,087,542.30 = 501,079.40/x
  3. Step 3: Cross multiply
    725,028.20x = 1,087,542.30 × 501,079.40
  4. Step 4: Simplify right side
    725,028.20x = 544,945,043,158.62
  5. Step 5: Solve for x
    x = 544,945,043,158.62/725,028.20
  6. Step 6: Final answer
    x = 751,619.10

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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.