Home / 641,989.37-962,981.73-192,708.29

Finding the Fourth Proportional to 641,989.37, 962,981.73 and 192,708.29

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Solution

The fourth proportional to 641,989.37, 962,981.73 and 192,708.29 is: 289,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,989.37 : 962,981.73 = 192,708.29 : x
  2. Step 2: Convert to fraction form
    641,989.37/962,981.73 = 192,708.29/x
  3. Step 3: Cross multiply
    641,989.37x = 962,981.73 × 192,708.29
  4. Step 4: Simplify right side
    641,989.37x = 185,574,557,674.63
  5. Step 5: Solve for x
    x = 185,574,557,674.63/641,989.37
  6. Step 6: Final answer
    x = 289,061.73

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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.