Home / 722,096.13-996,523.79-399,806.22

Finding the Fourth Proportional to 722,096.13, 996,523.79 and 399,806.22

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Solution

The fourth proportional to 722,096.13, 996,523.79 and 399,806.22 is: 551,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,096.13 : 996,523.79 = 399,806.22 : x
  2. Step 2: Convert to fraction form
    722,096.13/996,523.79 = 399,806.22/x
  3. Step 3: Cross multiply
    722,096.13x = 996,523.79 × 399,806.22
  4. Step 4: Simplify right side
    722,096.13x = 398,416,409,619.97
  5. Step 5: Solve for x
    x = 398,416,409,619.97/722,096.13
  6. Step 6: Final answer
    x = 551,749.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.