Home / 431,972.18-647,884.41-116,355.27

Finding the Fourth Proportional to 431,972.18, 647,884.41 and 116,355.27

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Solution

The fourth proportional to 431,972.18, 647,884.41 and 116,355.27 is: 174,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,972.18 : 647,884.41 = 116,355.27 : x
  2. Step 2: Convert to fraction form
    431,972.18/647,884.41 = 116,355.27/x
  3. Step 3: Cross multiply
    431,972.18x = 647,884.41 × 116,355.27
  4. Step 4: Simplify right side
    431,972.18x = 75,384,765,454.34
  5. Step 5: Solve for x
    x = 75,384,765,454.34/431,972.18
  6. Step 6: Final answer
    x = 174,513.01

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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.