Home / 681,796.54-1,022,694.90-208,481.92

Finding the Fourth Proportional to 681,796.54, 1,022,694.90 and 208,481.92

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Solution

The fourth proportional to 681,796.54, 1,022,694.90 and 208,481.92 is: 312,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,796.54 : 1,022,694.90 = 208,481.92 : x
  2. Step 2: Convert to fraction form
    681,796.54/1,022,694.90 = 208,481.92/x
  3. Step 3: Cross multiply
    681,796.54x = 1,022,694.90 × 208,481.92
  4. Step 4: Simplify right side
    681,796.54x = 213,213,396,326.21
  5. Step 5: Solve for x
    x = 213,213,396,326.21/681,796.54
  6. Step 6: Final answer
    x = 312,722.91

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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.