Home / 494,428.98-741,672.42-190,824.78

Finding the Fourth Proportional to 494,428.98, 741,672.42 and 190,824.78

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Solution

The fourth proportional to 494,428.98, 741,672.42 and 190,824.78 is: 286,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,428.98 : 741,672.42 = 190,824.78 : x
  2. Step 2: Convert to fraction form
    494,428.98/741,672.42 = 190,824.78/x
  3. Step 3: Cross multiply
    494,428.98x = 741,672.42 × 190,824.78
  4. Step 4: Simplify right side
    494,428.98x = 141,529,476,378.57
  5. Step 5: Solve for x
    x = 141,529,476,378.57/494,428.98
  6. Step 6: Final answer
    x = 286,248.34

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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.