Home / 1,172,780.27-1,618,589.27-656,730.68

Finding the Fourth Proportional to 1,172,780.27, 1,618,589.27 and 656,730.68

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Solution

The fourth proportional to 1,172,780.27, 1,618,589.27 and 656,730.68 is: 906,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,780.27 : 1,618,589.27 = 656,730.68 : x
  2. Step 2: Convert to fraction form
    1,172,780.27/1,618,589.27 = 656,730.68/x
  3. Step 3: Cross multiply
    1,172,780.27x = 1,618,589.27 × 656,730.68
  4. Step 4: Simplify right side
    1,172,780.27x = 1,062,977,228,644.15
  5. Step 5: Solve for x
    x = 1,062,977,228,644.15/1,172,780.27
  6. Step 6: Final answer
    x = 906,373.73

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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.