Home / 3,538,127.20-5,307,190.80-979,337.20

Finding the Fourth Proportional to 3,538,127.20, 5,307,190.80 and 979,337.20

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Solution

The fourth proportional to 3,538,127.20, 5,307,190.80 and 979,337.20 is: 1,469,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538,127.20 : 5,307,190.80 = 979,337.20 : x
  2. Step 2: Convert to fraction form
    3,538,127.20/5,307,190.80 = 979,337.20/x
  3. Step 3: Cross multiply
    3,538,127.20x = 5,307,190.80 × 979,337.20
  4. Step 4: Simplify right side
    3,538,127.20x = 5,197,529,377,937.76
  5. Step 5: Solve for x
    x = 5,197,529,377,937.76/3,538,127.20
  6. Step 6: Final answer
    x = 1,469,005.80

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Double scale
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Similar ratio
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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.