Home / 2,098,156.60-3,147,234.90-768,287.80

Finding the Fourth Proportional to 2,098,156.60, 3,147,234.90 and 768,287.80

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Solution

The fourth proportional to 2,098,156.60, 3,147,234.90 and 768,287.80 is: 1,152,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,156.60 : 3,147,234.90 = 768,287.80 : x
  2. Step 2: Convert to fraction form
    2,098,156.60/3,147,234.90 = 768,287.80/x
  3. Step 3: Cross multiply
    2,098,156.60x = 3,147,234.90 × 768,287.80
  4. Step 4: Simplify right side
    2,098,156.60x = 2,417,982,177,404.22
  5. Step 5: Solve for x
    x = 2,417,982,177,404.22/2,098,156.60
  6. Step 6: Final answer
    x = 1,152,431.70

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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.