Home / 681,816.60-1,022,872.50-261,092.46

Finding the Fourth Proportional to 681,816.60, 1,022,872.50 and 261,092.46

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Solution

The fourth proportional to 681,816.60, 1,022,872.50 and 261,092.46 is: 391,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,816.60 : 1,022,872.50 = 261,092.46 : x
  2. Step 2: Convert to fraction form
    681,816.60/1,022,872.50 = 261,092.46/x
  3. Step 3: Cross multiply
    681,816.60x = 1,022,872.50 × 261,092.46
  4. Step 4: Simplify right side
    681,816.60x = 267,064,297,291.35
  5. Step 5: Solve for x
    x = 267,064,297,291.35/681,816.60
  6. Step 6: Final answer
    x = 391,695.21

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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.