Home / 603,728.52-905,623.77-154,453.26

Finding the Fourth Proportional to 603,728.52, 905,623.77 and 154,453.26

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Solution

The fourth proportional to 603,728.52, 905,623.77 and 154,453.26 is: 231,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,728.52 : 905,623.77 = 154,453.26 : x
  2. Step 2: Convert to fraction form
    603,728.52/905,623.77 = 154,453.26/x
  3. Step 3: Cross multiply
    603,728.52x = 905,623.77 × 154,453.26
  4. Step 4: Simplify right side
    603,728.52x = 139,876,543,609.99
  5. Step 5: Solve for x
    x = 139,876,543,609.99/603,728.52
  6. Step 6: Final answer
    x = 231,687.82

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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.