Home / 1,198,718.93-1,654,233.24-654,863.80

Finding the Fourth Proportional to 1,198,718.93, 1,654,233.24 and 654,863.80

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Solution

The fourth proportional to 1,198,718.93, 1,654,233.24 and 654,863.80 is: 903,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,718.93 : 1,654,233.24 = 654,863.80 : x
  2. Step 2: Convert to fraction form
    1,198,718.93/1,654,233.24 = 654,863.80/x
  3. Step 3: Cross multiply
    1,198,718.93x = 1,654,233.24 × 654,863.80
  4. Step 4: Simplify right side
    1,198,718.93x = 1,083,297,469,768.30
  5. Step 5: Solve for x
    x = 1,083,297,469,768.30/1,198,718.93
  6. Step 6: Final answer
    x = 903,712.66

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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.