Home / 657,152.59-985,764.77-207,839.92

Finding the Fourth Proportional to 657,152.59, 985,764.77 and 207,839.92

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Solution

The fourth proportional to 657,152.59, 985,764.77 and 207,839.92 is: 311,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,152.59 : 985,764.77 = 207,839.92 : x
  2. Step 2: Convert to fraction form
    657,152.59/985,764.77 = 207,839.92/x
  3. Step 3: Cross multiply
    657,152.59x = 985,764.77 × 207,839.92
  4. Step 4: Simplify right side
    657,152.59x = 204,881,270,935.62
  5. Step 5: Solve for x
    x = 204,881,270,935.62/657,152.59
  6. Step 6: Final answer
    x = 311,771.23

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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.