Home / 481,743.81-722,735.61-144,789.90

Finding the Fourth Proportional to 481,743.81, 722,735.61 and 144,789.90

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Solution

The fourth proportional to 481,743.81, 722,735.61 and 144,789.90 is: 217,220.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,743.81 : 722,735.61 = 144,789.90 : x
  2. Step 2: Convert to fraction form
    481,743.81/722,735.61 = 144,789.90/x
  3. Step 3: Cross multiply
    481,743.81x = 722,735.61 × 144,789.90
  4. Step 4: Simplify right side
    481,743.81x = 104,644,816,698.34
  5. Step 5: Solve for x
    x = 104,644,816,698.34/481,743.81
  6. Step 6: Final answer
    x = 217,220.88

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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.