Home / 527,078.20-790,617.30-133,094.20

Finding the Fourth Proportional to 527,078.20, 790,617.30 and 133,094.20

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Solution

The fourth proportional to 527,078.20, 790,617.30 and 133,094.20 is: 199,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,078.20 : 790,617.30 = 133,094.20 : x
  2. Step 2: Convert to fraction form
    527,078.20/790,617.30 = 133,094.20/x
  3. Step 3: Cross multiply
    527,078.20x = 790,617.30 × 133,094.20
  4. Step 4: Simplify right side
    527,078.20x = 105,226,577,049.66
  5. Step 5: Solve for x
    x = 105,226,577,049.66/527,078.20
  6. Step 6: Final answer
    x = 199,641.30

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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.