Home / 881,198.62-1,215,766.93-513,591.86

Finding the Fourth Proportional to 881,198.62, 1,215,766.93 and 513,591.86

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Solution

The fourth proportional to 881,198.62, 1,215,766.93 and 513,591.86 is: 708,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,198.62 : 1,215,766.93 = 513,591.86 : x
  2. Step 2: Convert to fraction form
    881,198.62/1,215,766.93 = 513,591.86/x
  3. Step 3: Cross multiply
    881,198.62x = 1,215,766.93 × 513,591.86
  4. Step 4: Simplify right side
    881,198.62x = 624,407,998,905.19
  5. Step 5: Solve for x
    x = 624,407,998,905.19/881,198.62
  6. Step 6: Final answer
    x = 708,589.40

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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.