Home / 914,936.20-1,372,404.30-863,614.60

Finding the Fourth Proportional to 914,936.20, 1,372,404.30 and 863,614.60

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Solution

The fourth proportional to 914,936.20, 1,372,404.30 and 863,614.60 is: 1,295,421.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,936.20 : 1,372,404.30 = 863,614.60 : x
  2. Step 2: Convert to fraction form
    914,936.20/1,372,404.30 = 863,614.60/x
  3. Step 3: Cross multiply
    914,936.20x = 1,372,404.30 × 863,614.60
  4. Step 4: Simplify right side
    914,936.20x = 1,185,228,390,582.78
  5. Step 5: Solve for x
    x = 1,185,228,390,582.78/914,936.20
  6. Step 6: Final answer
    x = 1,295,421.90

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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.