Home / 496,132.38-684,943.20-379,626.21

Finding the Fourth Proportional to 496,132.38, 684,943.20 and 379,626.21

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Solution

The fourth proportional to 496,132.38, 684,943.20 and 379,626.21 is: 524,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,132.38 : 684,943.20 = 379,626.21 : x
  2. Step 2: Convert to fraction form
    496,132.38/684,943.20 = 379,626.21/x
  3. Step 3: Cross multiply
    496,132.38x = 684,943.20 × 379,626.21
  4. Step 4: Simplify right side
    496,132.38x = 260,022,391,081.27
  5. Step 5: Solve for x
    x = 260,022,391,081.27/496,132.38
  6. Step 6: Final answer
    x = 524,098.81

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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.