Home / 603,585.09-905,375.81-154,306.04

Finding the Fourth Proportional to 603,585.09, 905,375.81 and 154,306.04

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Solution

The fourth proportional to 603,585.09, 905,375.81 and 154,306.04 is: 231,458.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,585.09 : 905,375.81 = 154,306.04 : x
  2. Step 2: Convert to fraction form
    603,585.09/905,375.81 = 154,306.04/x
  3. Step 3: Cross multiply
    603,585.09x = 905,375.81 × 154,306.04
  4. Step 4: Simplify right side
    603,585.09x = 139,704,951,811.78
  5. Step 5: Solve for x
    x = 139,704,951,811.78/603,585.09
  6. Step 6: Final answer
    x = 231,458.59

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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.