Home / 603,723.85-905,616.79-154,448.61

Finding the Fourth Proportional to 603,723.85, 905,616.79 and 154,448.61

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Solution

The fourth proportional to 603,723.85, 905,616.79 and 154,448.61 is: 231,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,723.85 : 905,616.79 = 154,448.61 : x
  2. Step 2: Convert to fraction form
    603,723.85/905,616.79 = 154,448.61/x
  3. Step 3: Cross multiply
    603,723.85x = 905,616.79 × 154,448.61
  4. Step 4: Simplify right side
    603,723.85x = 139,871,257,997.29
  5. Step 5: Solve for x
    x = 139,871,257,997.29/603,723.85
  6. Step 6: Final answer
    x = 231,680.86

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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.