Home / 998,199.54-1,377,356.13-568,487.70

Finding the Fourth Proportional to 998,199.54, 1,377,356.13 and 568,487.70

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Solution

The fourth proportional to 998,199.54, 1,377,356.13 and 568,487.70 is: 784,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,199.54 : 1,377,356.13 = 568,487.70 : x
  2. Step 2: Convert to fraction form
    998,199.54/1,377,356.13 = 568,487.70/x
  3. Step 3: Cross multiply
    998,199.54x = 1,377,356.13 × 568,487.70
  4. Step 4: Simplify right side
    998,199.54x = 783,010,018,424.60
  5. Step 5: Solve for x
    x = 783,010,018,424.60/998,199.54
  6. Step 6: Final answer
    x = 784,422.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.