Home / 1,266,238.36-1,747,575.30-722,249.56

Finding the Fourth Proportional to 1,266,238.36, 1,747,575.30 and 722,249.56

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Solution

The fourth proportional to 1,266,238.36, 1,747,575.30 and 722,249.56 is: 996,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,238.36 : 1,747,575.30 = 722,249.56 : x
  2. Step 2: Convert to fraction form
    1,266,238.36/1,747,575.30 = 722,249.56/x
  3. Step 3: Cross multiply
    1,266,238.36x = 1,747,575.30 × 722,249.56
  4. Step 4: Simplify right side
    1,266,238.36x = 1,262,185,491,491.87
  5. Step 5: Solve for x
    x = 1,262,185,491,491.87/1,266,238.36
  6. Step 6: Final answer
    x = 996,799.28

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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.