Home / 881,197.62-1,215,765.55-513,590.86

Finding the Fourth Proportional to 881,197.62, 1,215,765.55 and 513,590.86

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Solution

The fourth proportional to 881,197.62, 1,215,765.55 and 513,590.86 is: 708,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,197.62 : 1,215,765.55 = 513,590.86 : x
  2. Step 2: Convert to fraction form
    881,197.62/1,215,765.55 = 513,590.86/x
  3. Step 3: Cross multiply
    881,197.62x = 1,215,765.55 × 513,590.86
  4. Step 4: Simplify right side
    881,197.62x = 624,406,076,544.57
  5. Step 5: Solve for x
    x = 624,406,076,544.57/881,197.62
  6. Step 6: Final answer
    x = 708,588.02

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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.