Home / 1,298,614.09-1,792,053.06-725,658.97

Finding the Fourth Proportional to 1,298,614.09, 1,792,053.06 and 725,658.97

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Solution

The fourth proportional to 1,298,614.09, 1,792,053.06 and 725,658.97 is: 1,001,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,614.09 : 1,792,053.06 = 725,658.97 : x
  2. Step 2: Convert to fraction form
    1,298,614.09/1,792,053.06 = 725,658.97/x
  3. Step 3: Cross multiply
    1,298,614.09x = 1,792,053.06 × 725,658.97
  4. Step 4: Simplify right side
    1,298,614.09x = 1,300,419,377,704.95
  5. Step 5: Solve for x
    x = 1,300,419,377,704.95/1,298,614.09
  6. Step 6: Final answer
    x = 1,001,390.16

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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.