Home / 325,724.49-449,625.33-316,735.92

Finding the Fourth Proportional to 325,724.49, 449,625.33 and 316,735.92

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Solution

The fourth proportional to 325,724.49, 449,625.33 and 316,735.92 is: 437,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,724.49 : 449,625.33 = 316,735.92 : x
  2. Step 2: Convert to fraction form
    325,724.49/449,625.33 = 316,735.92/x
  3. Step 3: Cross multiply
    325,724.49x = 449,625.33 × 316,735.92
  4. Step 4: Simplify right side
    325,724.49x = 142,412,492,552.85
  5. Step 5: Solve for x
    x = 142,412,492,552.85/325,724.49
  6. Step 6: Final answer
    x = 437,217.64

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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.