Home / 542,997.20-814,884.60-227,680.40

Finding the Fourth Proportional to 542,997.20, 814,884.60 and 227,680.40

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Solution

The fourth proportional to 542,997.20, 814,884.60 and 227,680.40 is: 341,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,997.20 : 814,884.60 = 227,680.40 : x
  2. Step 2: Convert to fraction form
    542,997.20/814,884.60 = 227,680.40/x
  3. Step 3: Cross multiply
    542,997.20x = 814,884.60 × 227,680.40
  4. Step 4: Simplify right side
    542,997.20x = 185,533,251,681.84
  5. Step 5: Solve for x
    x = 185,533,251,681.84/542,997.20
  6. Step 6: Final answer
    x = 341,683.63

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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.