Home / 791,719.21-1,187,578.94-192,680.37

Finding the Fourth Proportional to 791,719.21, 1,187,578.94 and 192,680.37

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Solution

The fourth proportional to 791,719.21, 1,187,578.94 and 192,680.37 is: 289,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,719.21 : 1,187,578.94 = 192,680.37 : x
  2. Step 2: Convert to fraction form
    791,719.21/1,187,578.94 = 192,680.37/x
  3. Step 3: Cross multiply
    791,719.21x = 1,187,578.94 × 192,680.37
  4. Step 4: Simplify right side
    791,719.21x = 228,823,149,563.41
  5. Step 5: Solve for x
    x = 228,823,149,563.41/791,719.21
  6. Step 6: Final answer
    x = 289,020.59

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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.