Home / 481,811.22-722,687.67-126,817.38

Finding the Fourth Proportional to 481,811.22, 722,687.67 and 126,817.38

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Solution

The fourth proportional to 481,811.22, 722,687.67 and 126,817.38 is: 190,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,811.22 : 722,687.67 = 126,817.38 : x
  2. Step 2: Convert to fraction form
    481,811.22/722,687.67 = 126,817.38/x
  3. Step 3: Cross multiply
    481,811.22x = 722,687.67 × 126,817.38
  4. Step 4: Simplify right side
    481,811.22x = 91,649,356,867.70
  5. Step 5: Solve for x
    x = 91,649,356,867.70/481,811.22
  6. Step 6: Final answer
    x = 190,218.39

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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.