Home / 863,086.20-1,191,569.24-767,327.92

Finding the Fourth Proportional to 863,086.20, 1,191,569.24 and 767,327.92

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Solution

The fourth proportional to 863,086.20, 1,191,569.24 and 767,327.92 is: 1,059,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,086.20 : 1,191,569.24 = 767,327.92 : x
  2. Step 2: Convert to fraction form
    863,086.20/1,191,569.24 = 767,327.92/x
  3. Step 3: Cross multiply
    863,086.20x = 1,191,569.24 × 767,327.92
  4. Step 4: Simplify right side
    863,086.20x = 914,324,346,465.18
  5. Step 5: Solve for x
    x = 914,324,346,465.18/863,086.20
  6. Step 6: Final answer
    x = 1,059,366.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.