Home / 527,082.20-790,623.30-133,098.20

Finding the Fourth Proportional to 527,082.20, 790,623.30 and 133,098.20

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Solution

The fourth proportional to 527,082.20, 790,623.30 and 133,098.20 is: 199,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,082.20 : 790,623.30 = 133,098.20 : x
  2. Step 2: Convert to fraction form
    527,082.20/790,623.30 = 133,098.20/x
  3. Step 3: Cross multiply
    527,082.20x = 790,623.30 × 133,098.20
  4. Step 4: Simplify right side
    527,082.20x = 105,230,538,108.06
  5. Step 5: Solve for x
    x = 105,230,538,108.06/527,082.20
  6. Step 6: Final answer
    x = 199,647.30

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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.