Home / 681,383.20-1,022,137.98-231,953.08

Finding the Fourth Proportional to 681,383.20, 1,022,137.98 and 231,953.08

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Solution

The fourth proportional to 681,383.20, 1,022,137.98 and 231,953.08 is: 347,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,383.20 : 1,022,137.98 = 231,953.08 : x
  2. Step 2: Convert to fraction form
    681,383.20/1,022,137.98 = 231,953.08/x
  3. Step 3: Cross multiply
    681,383.20x = 1,022,137.98 × 231,953.08
  4. Step 4: Simplify right side
    681,383.20x = 237,088,052,645.98
  5. Step 5: Solve for x
    x = 237,088,052,645.98/681,383.20
  6. Step 6: Final answer
    x = 347,951.13

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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.