Home / 542,824.20-814,236.30-227,248.20

Finding the Fourth Proportional to 542,824.20, 814,236.30 and 227,248.20

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Solution

The fourth proportional to 542,824.20, 814,236.30 and 227,248.20 is: 340,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,824.20 : 814,236.30 = 227,248.20 : x
  2. Step 2: Convert to fraction form
    542,824.20/814,236.30 = 227,248.20/x
  3. Step 3: Cross multiply
    542,824.20x = 814,236.30 × 227,248.20
  4. Step 4: Simplify right side
    542,824.20x = 185,033,733,549.66
  5. Step 5: Solve for x
    x = 185,033,733,549.66/542,824.20
  6. Step 6: Final answer
    x = 340,872.30

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Half scale
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Double scale
Find fourth proportional to 542,825.20, 814,237.80 and 227,249.20
Similar ratio
Find fourth proportional to 814,236.30, 1,221,354.45 and 340,872.30
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.