Home / 2,261,605.60-3,392,408.40-998,783.20

Finding the Fourth Proportional to 2,261,605.60, 3,392,408.40 and 998,783.20

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Solution

The fourth proportional to 2,261,605.60, 3,392,408.40 and 998,783.20 is: 1,498,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,605.60 : 3,392,408.40 = 998,783.20 : x
  2. Step 2: Convert to fraction form
    2,261,605.60/3,392,408.40 = 998,783.20/x
  3. Step 3: Cross multiply
    2,261,605.60x = 3,392,408.40 × 998,783.20
  4. Step 4: Simplify right side
    2,261,605.60x = 3,388,280,517,458.88
  5. Step 5: Solve for x
    x = 3,388,280,517,458.88/2,261,605.60
  6. Step 6: Final answer
    x = 1,498,174.80

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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.