Home / 603,551.25-905,438.39-198,766.17

Finding the Fourth Proportional to 603,551.25, 905,438.39 and 198,766.17

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Solution

The fourth proportional to 603,551.25, 905,438.39 and 198,766.17 is: 298,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,551.25 : 905,438.39 = 198,766.17 : x
  2. Step 2: Convert to fraction form
    603,551.25/905,438.39 = 198,766.17/x
  3. Step 3: Cross multiply
    603,551.25x = 905,438.39 × 198,766.17
  4. Step 4: Simplify right side
    603,551.25x = 179,970,519,957.44
  5. Step 5: Solve for x
    x = 179,970,519,957.44/603,551.25
  6. Step 6: Final answer
    x = 298,185.98

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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.