Home / 494,433.60-741,844.80-194,863.20

Finding the Fourth Proportional to 494,433.60, 741,844.80 and 194,863.20

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Solution

The fourth proportional to 494,433.60, 741,844.80 and 194,863.20 is: 292,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,433.60 : 741,844.80 = 194,863.20 : x
  2. Step 2: Convert to fraction form
    494,433.60/741,844.80 = 194,863.20/x
  3. Step 3: Cross multiply
    494,433.60x = 741,844.80 × 194,863.20
  4. Step 4: Simplify right side
    494,433.60x = 144,558,251,631.36
  5. Step 5: Solve for x
    x = 144,558,251,631.36/494,433.60
  6. Step 6: Final answer
    x = 292,371.42

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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.