Home / 494,418.28-741,896.54-210,064.36

Finding the Fourth Proportional to 494,418.28, 741,896.54 and 210,064.36

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Solution

The fourth proportional to 494,418.28, 741,896.54 and 210,064.36 is: 315,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,418.28 : 741,896.54 = 210,064.36 : x
  2. Step 2: Convert to fraction form
    494,418.28/741,896.54 = 210,064.36/x
  3. Step 3: Cross multiply
    494,418.28x = 741,896.54 × 210,064.36
  4. Step 4: Simplify right side
    494,418.28x = 155,846,021,861.31
  5. Step 5: Solve for x
    x = 155,846,021,861.31/494,418.28
  6. Step 6: Final answer
    x = 315,210.88

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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.