Home / 1,377,464.10-2,067,180.30-579,318.45

Finding the Fourth Proportional to 1,377,464.10, 2,067,180.30 and 579,318.45

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Solution

The fourth proportional to 1,377,464.10, 2,067,180.30 and 579,318.45 is: 869,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,464.10 : 2,067,180.30 = 579,318.45 : x
  2. Step 2: Convert to fraction form
    1,377,464.10/2,067,180.30 = 579,318.45/x
  3. Step 3: Cross multiply
    1,377,464.10x = 2,067,180.30 × 579,318.45
  4. Step 4: Simplify right side
    1,377,464.10x = 1,197,555,687,266.53
  5. Step 5: Solve for x
    x = 1,197,555,687,266.53/1,377,464.10
  6. Step 6: Final answer
    x = 869,391.58

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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.