Home / 681,819.54-1,022,877-261,095.46

Finding the Fourth Proportional to 681,819.54, 1,022,877 and 261,095.46

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Solution

The fourth proportional to 681,819.54, 1,022,877 and 261,095.46 is: 391,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,819.54 : 1,022,877 = 261,095.46 : x
  2. Step 2: Convert to fraction form
    681,819.54/1,022,877 = 261,095.46/x
  3. Step 3: Cross multiply
    681,819.54x = 1,022,877 × 261,095.46
  4. Step 4: Simplify right side
    681,819.54x = 267,068,540,838.42
  5. Step 5: Solve for x
    x = 267,068,540,838.42/681,819.54
  6. Step 6: Final answer
    x = 391,699.75

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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.