Home / 481,968.80-722,823.60-145,008.80

Finding the Fourth Proportional to 481,968.80, 722,823.60 and 145,008.80

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Solution

The fourth proportional to 481,968.80, 722,823.60 and 145,008.80 is: 217,474.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,968.80 : 722,823.60 = 145,008.80 : x
  2. Step 2: Convert to fraction form
    481,968.80/722,823.60 = 145,008.80/x
  3. Step 3: Cross multiply
    481,968.80x = 722,823.60 × 145,008.80
  4. Step 4: Simplify right side
    481,968.80x = 104,815,782,847.68
  5. Step 5: Solve for x
    x = 104,815,782,847.68/481,968.80
  6. Step 6: Final answer
    x = 217,474.21

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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.