Home / 998,072.20-1,497,121.10-333,224.20

Finding the Fourth Proportional to 998,072.20, 1,497,121.10 and 333,224.20

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Solution

The fourth proportional to 998,072.20, 1,497,121.10 and 333,224.20 is: 499,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,072.20 : 1,497,121.10 = 333,224.20 : x
  2. Step 2: Convert to fraction form
    998,072.20/1,497,121.10 = 333,224.20/x
  3. Step 3: Cross multiply
    998,072.20x = 1,497,121.10 × 333,224.20
  4. Step 4: Simplify right side
    998,072.20x = 498,876,980,850.62
  5. Step 5: Solve for x
    x = 498,876,980,850.62/998,072.20
  6. Step 6: Final answer
    x = 499,840.57

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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.