Home / 2,793,212.80-4,189,819.20-998,123.20

Finding the Fourth Proportional to 2,793,212.80, 4,189,819.20 and 998,123.20

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Solution

The fourth proportional to 2,793,212.80, 4,189,819.20 and 998,123.20 is: 1,497,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793,212.80 : 4,189,819.20 = 998,123.20 : x
  2. Step 2: Convert to fraction form
    2,793,212.80/4,189,819.20 = 998,123.20/x
  3. Step 3: Cross multiply
    2,793,212.80x = 4,189,819.20 × 998,123.20
  4. Step 4: Simplify right side
    2,793,212.80x = 4,181,955,747,325.44
  5. Step 5: Solve for x
    x = 4,181,955,747,325.44/2,793,212.80
  6. Step 6: Final answer
    x = 1,497,184.80

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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.