Home / 791,687.71-1,187,532.78-192,645.33

Finding the Fourth Proportional to 791,687.71, 1,187,532.78 and 192,645.33

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Solution

The fourth proportional to 791,687.71, 1,187,532.78 and 192,645.33 is: 288,968.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,687.71 : 1,187,532.78 = 192,645.33 : x
  2. Step 2: Convert to fraction form
    791,687.71/1,187,532.78 = 192,645.33/x
  3. Step 3: Cross multiply
    791,687.71x = 1,187,532.78 × 192,645.33
  4. Step 4: Simplify right side
    791,687.71x = 228,772,644,288.92
  5. Step 5: Solve for x
    x = 228,772,644,288.92/791,687.71
  6. Step 6: Final answer
    x = 288,968.29

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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.