Home / 1,080,791.44-1,491,493.64-621,896.87

Finding the Fourth Proportional to 1,080,791.44, 1,491,493.64 and 621,896.87

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Solution

The fourth proportional to 1,080,791.44, 1,491,493.64 and 621,896.87 is: 858,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,791.44 : 1,491,493.64 = 621,896.87 : x
  2. Step 2: Convert to fraction form
    1,080,791.44/1,491,493.64 = 621,896.87/x
  3. Step 3: Cross multiply
    1,080,791.44x = 1,491,493.64 × 621,896.87
  4. Step 4: Simplify right side
    1,080,791.44x = 927,555,226,960.16
  5. Step 5: Solve for x
    x = 927,555,226,960.16/1,080,791.44
  6. Step 6: Final answer
    x = 858,218.52

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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.