Home / 641,998.88-962,996.09-192,717.93

Finding the Fourth Proportional to 641,998.88, 962,996.09 and 192,717.93

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Solution

The fourth proportional to 641,998.88, 962,996.09 and 192,717.93 is: 289,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,998.88 : 962,996.09 = 192,717.93 : x
  2. Step 2: Convert to fraction form
    641,998.88/962,996.09 = 192,717.93/x
  3. Step 3: Cross multiply
    641,998.88x = 962,996.09 × 192,717.93
  4. Step 4: Simplify right side
    641,998.88x = 185,586,612,099.30
  5. Step 5: Solve for x
    x = 185,586,612,099.30/641,998.88
  6. Step 6: Final answer
    x = 289,076.23

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1.5x scale

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.