Home / 657,103.91-985,777.36-207,937.85

Finding the Fourth Proportional to 657,103.91, 985,777.36 and 207,937.85

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Solution

The fourth proportional to 657,103.91, 985,777.36 and 207,937.85 is: 311,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,103.91 : 985,777.36 = 207,937.85 : x
  2. Step 2: Convert to fraction form
    657,103.91/985,777.36 = 207,937.85/x
  3. Step 3: Cross multiply
    657,103.91x = 985,777.36 × 207,937.85
  4. Step 4: Simplify right side
    657,103.91x = 204,980,419,368.35
  5. Step 5: Solve for x
    x = 204,980,419,368.35/657,103.91
  6. Step 6: Final answer
    x = 311,945.22

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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.