Home / 361,928.56-499,462.68-200,786.80

Finding the Fourth Proportional to 361,928.56, 499,462.68 and 200,786.80

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Solution

The fourth proportional to 361,928.56, 499,462.68 and 200,786.80 is: 277,086.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,928.56 : 499,462.68 = 200,786.80 : x
  2. Step 2: Convert to fraction form
    361,928.56/499,462.68 = 200,786.80/x
  3. Step 3: Cross multiply
    361,928.56x = 499,462.68 × 200,786.80
  4. Step 4: Simplify right side
    361,928.56x = 100,285,513,236.62
  5. Step 5: Solve for x
    x = 100,285,513,236.62/361,928.56
  6. Step 6: Final answer
    x = 277,086.49

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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.