Home / 542,839.38-814,000.23-243,322.44

Finding the Fourth Proportional to 542,839.38, 814,000.23 and 243,322.44

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Solution

The fourth proportional to 542,839.38, 814,000.23 and 243,322.44 is: 364,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,839.38 : 814,000.23 = 243,322.44 : x
  2. Step 2: Convert to fraction form
    542,839.38/814,000.23 = 243,322.44/x
  3. Step 3: Cross multiply
    542,839.38x = 814,000.23 × 243,322.44
  4. Step 4: Simplify right side
    542,839.38x = 198,064,522,124.16
  5. Step 5: Solve for x
    x = 198,064,522,124.16/542,839.38
  6. Step 6: Final answer
    x = 364,867.64

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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.