Home / 1,338,239.82-1,846,775.22-726,393.06

Finding the Fourth Proportional to 1,338,239.82, 1,846,775.22 and 726,393.06

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Solution

The fourth proportional to 1,338,239.82, 1,846,775.22 and 726,393.06 is: 1,002,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,239.82 : 1,846,775.22 = 726,393.06 : x
  2. Step 2: Convert to fraction form
    1,338,239.82/1,846,775.22 = 726,393.06/x
  3. Step 3: Cross multiply
    1,338,239.82x = 1,846,775.22 × 726,393.06
  4. Step 4: Simplify right side
    1,338,239.82x = 1,341,484,703,187.97
  5. Step 5: Solve for x
    x = 1,341,484,703,187.97/1,338,239.82
  6. Step 6: Final answer
    x = 1,002,424.74

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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.