Home / 657,049.61-985,696.07-207,883.55

Finding the Fourth Proportional to 657,049.61, 985,696.07 and 207,883.55

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Solution

The fourth proportional to 657,049.61, 985,696.07 and 207,883.55 is: 311,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,049.61 : 985,696.07 = 207,883.55 : x
  2. Step 2: Convert to fraction form
    657,049.61/985,696.07 = 207,883.55/x
  3. Step 3: Cross multiply
    657,049.61x = 985,696.07 × 207,883.55
  4. Step 4: Simplify right side
    657,049.61x = 204,909,998,252.65
  5. Step 5: Solve for x
    x = 204,909,998,252.65/657,049.61
  6. Step 6: Final answer
    x = 311,863.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.