Home / 641,949.49-962,921.94-192,668.41

Finding the Fourth Proportional to 641,949.49, 962,921.94 and 192,668.41

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Solution

The fourth proportional to 641,949.49, 962,921.94 and 192,668.41 is: 289,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,949.49 : 962,921.94 = 192,668.41 : x
  2. Step 2: Convert to fraction form
    641,949.49/962,921.94 = 192,668.41/x
  3. Step 3: Cross multiply
    641,949.49x = 962,921.94 × 192,668.41
  4. Step 4: Simplify right side
    641,949.49x = 185,524,639,133.92
  5. Step 5: Solve for x
    x = 185,524,639,133.92/641,949.49
  6. Step 6: Final answer
    x = 289,001.93

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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.