Home / 603,691.20-905,527.49-154,408.10

Finding the Fourth Proportional to 603,691.20, 905,527.49 and 154,408.10

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Solution

The fourth proportional to 603,691.20, 905,527.49 and 154,408.10 is: 231,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,691.20 : 905,527.49 = 154,408.10 : x
  2. Step 2: Convert to fraction form
    603,691.20/905,527.49 = 154,408.10/x
  3. Step 3: Cross multiply
    603,691.20x = 905,527.49 × 154,408.10
  4. Step 4: Simplify right side
    603,691.20x = 139,820,773,928.99
  5. Step 5: Solve for x
    x = 139,820,773,928.99/603,691.20
  6. Step 6: Final answer
    x = 231,609.76

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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.