Home / 499,976.20-689,957.94-273,617.16

Finding the Fourth Proportional to 499,976.20, 689,957.94 and 273,617.16

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Solution

The fourth proportional to 499,976.20, 689,957.94 and 273,617.16 is: 377,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,976.20 : 689,957.94 = 273,617.16 : x
  2. Step 2: Convert to fraction form
    499,976.20/689,957.94 = 273,617.16/x
  3. Step 3: Cross multiply
    499,976.20x = 689,957.94 × 273,617.16
  4. Step 4: Simplify right side
    499,976.20x = 188,784,332,062.25
  5. Step 5: Solve for x
    x = 188,784,332,062.25/499,976.20
  6. Step 6: Final answer
    x = 377,586.64

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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.