Home / 432,731.88-648,517.61-336,784.95

Finding the Fourth Proportional to 432,731.88, 648,517.61 and 336,784.95

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Solution

The fourth proportional to 432,731.88, 648,517.61 and 336,784.95 is: 504,725.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,731.88 : 648,517.61 = 336,784.95 : x
  2. Step 2: Convert to fraction form
    432,731.88/648,517.61 = 336,784.95/x
  3. Step 3: Cross multiply
    432,731.88x = 648,517.61 × 336,784.95
  4. Step 4: Simplify right side
    432,731.88x = 218,410,970,144.74
  5. Step 5: Solve for x
    x = 218,410,970,144.74/432,731.88
  6. Step 6: Final answer
    x = 504,725.86

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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.