Home / 656,626.32-985,091.76-207,391.68

Finding the Fourth Proportional to 656,626.32, 985,091.76 and 207,391.68

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Solution

The fourth proportional to 656,626.32, 985,091.76 and 207,391.68 is: 311,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,626.32 : 985,091.76 = 207,391.68 : x
  2. Step 2: Convert to fraction form
    656,626.32/985,091.76 = 207,391.68/x
  3. Step 3: Cross multiply
    656,626.32x = 985,091.76 × 207,391.68
  4. Step 4: Simplify right side
    656,626.32x = 204,299,835,060.56
  5. Step 5: Solve for x
    x = 204,299,835,060.56/656,626.32
  6. Step 6: Final answer
    x = 311,135.62

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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.