Home / 494,434.88-682,314-268,079.84

Finding the Fourth Proportional to 494,434.88, 682,314 and 268,079.84

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Solution

The fourth proportional to 494,434.88, 682,314 and 268,079.84 is: 369,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,434.88 : 682,314 = 268,079.84 : x
  2. Step 2: Convert to fraction form
    494,434.88/682,314 = 268,079.84/x
  3. Step 3: Cross multiply
    494,434.88x = 682,314 × 268,079.84
  4. Step 4: Simplify right side
    494,434.88x = 182,914,627,949.76
  5. Step 5: Solve for x
    x = 182,914,627,949.76/494,434.88
  6. Step 6: Final answer
    x = 369,946.85

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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.