Home / 500,626.08-690,867.33-271,183.38

Finding the Fourth Proportional to 500,626.08, 690,867.33 and 271,183.38

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Solution

The fourth proportional to 500,626.08, 690,867.33 and 271,183.38 is: 374,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,626.08 : 690,867.33 = 271,183.38 : x
  2. Step 2: Convert to fraction form
    500,626.08/690,867.33 = 271,183.38/x
  3. Step 3: Cross multiply
    500,626.08x = 690,867.33 × 271,183.38
  4. Step 4: Simplify right side
    500,626.08x = 187,351,738,697.91
  5. Step 5: Solve for x
    x = 187,351,738,697.91/500,626.08
  6. Step 6: Final answer
    x = 374,234.88

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1.5x scale

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.