Home / 603,556.50-905,446.26-198,771.42

Finding the Fourth Proportional to 603,556.50, 905,446.26 and 198,771.42

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Solution

The fourth proportional to 603,556.50, 905,446.26 and 198,771.42 is: 298,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,556.50 : 905,446.26 = 198,771.42 : x
  2. Step 2: Convert to fraction form
    603,556.50/905,446.26 = 198,771.42/x
  3. Step 3: Cross multiply
    603,556.50x = 905,446.26 × 198,771.42
  4. Step 4: Simplify right side
    603,556.50x = 179,976,838,833.89
  5. Step 5: Solve for x
    x = 179,976,838,833.89/603,556.50
  6. Step 6: Final answer
    x = 298,193.85

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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.