Home / 613,087.38-919,786.59-192,366.90

Finding the Fourth Proportional to 613,087.38, 919,786.59 and 192,366.90

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Solution

The fourth proportional to 613,087.38, 919,786.59 and 192,366.90 is: 288,599.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,087.38 : 919,786.59 = 192,366.90 : x
  2. Step 2: Convert to fraction form
    613,087.38/919,786.59 = 192,366.90/x
  3. Step 3: Cross multiply
    613,087.38x = 919,786.59 × 192,366.90
  4. Step 4: Simplify right side
    613,087.38x = 176,936,494,979.87
  5. Step 5: Solve for x
    x = 176,936,494,979.87/613,087.38
  6. Step 6: Final answer
    x = 288,599.15

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1.5x scale

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.