Home / 641,999.13-962,996.46-192,718.18

Finding the Fourth Proportional to 641,999.13, 962,996.46 and 192,718.18

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Solution

The fourth proportional to 641,999.13, 962,996.46 and 192,718.18 is: 289,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,999.13 : 962,996.46 = 192,718.18 : x
  2. Step 2: Convert to fraction form
    641,999.13/962,996.46 = 192,718.18/x
  3. Step 3: Cross multiply
    641,999.13x = 962,996.46 × 192,718.18
  4. Step 4: Simplify right side
    641,999.13x = 185,586,925,117.64
  5. Step 5: Solve for x
    x = 185,586,925,117.64/641,999.13
  6. Step 6: Final answer
    x = 289,076.60

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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.