Home / 412,718.40-619,077.60-271,000.80

Finding the Fourth Proportional to 412,718.40, 619,077.60 and 271,000.80

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Solution

The fourth proportional to 412,718.40, 619,077.60 and 271,000.80 is: 406,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,718.40 : 619,077.60 = 271,000.80 : x
  2. Step 2: Convert to fraction form
    412,718.40/619,077.60 = 271,000.80/x
  3. Step 3: Cross multiply
    412,718.40x = 619,077.60 × 271,000.80
  4. Step 4: Simplify right side
    412,718.40x = 167,770,524,862.08
  5. Step 5: Solve for x
    x = 167,770,524,862.08/412,718.40
  6. Step 6: Final answer
    x = 406,501.20

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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.