Home / 695,780.88-1,043,680.92-197,144.40

Finding the Fourth Proportional to 695,780.88, 1,043,680.92 and 197,144.40

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Solution

The fourth proportional to 695,780.88, 1,043,680.92 and 197,144.40 is: 295,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,780.88 : 1,043,680.92 = 197,144.40 : x
  2. Step 2: Convert to fraction form
    695,780.88/1,043,680.92 = 197,144.40/x
  3. Step 3: Cross multiply
    695,780.88x = 1,043,680.92 × 197,144.40
  4. Step 4: Simplify right side
    695,780.88x = 205,755,848,764.85
  5. Step 5: Solve for x
    x = 205,755,848,764.85/695,780.88
  6. Step 6: Final answer
    x = 295,719.32

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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.