Home / 866,229.26-1,299,343.88-361,028.20

Finding the Fourth Proportional to 866,229.26, 1,299,343.88 and 361,028.20

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Solution

The fourth proportional to 866,229.26, 1,299,343.88 and 361,028.20 is: 541,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,229.26 : 1,299,343.88 = 361,028.20 : x
  2. Step 2: Convert to fraction form
    866,229.26/1,299,343.88 = 361,028.20/x
  3. Step 3: Cross multiply
    866,229.26x = 1,299,343.88 × 361,028.20
  4. Step 4: Simplify right side
    866,229.26x = 469,099,782,177.42
  5. Step 5: Solve for x
    x = 469,099,782,177.42/866,229.26
  6. Step 6: Final answer
    x = 541,542.30

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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.