Home / 603,728.49-905,623.76-154,453.25

Finding the Fourth Proportional to 603,728.49, 905,623.76 and 154,453.25

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Solution

The fourth proportional to 603,728.49, 905,623.76 and 154,453.25 is: 231,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,728.49 : 905,623.76 = 154,453.25 : x
  2. Step 2: Convert to fraction form
    603,728.49/905,623.76 = 154,453.25/x
  3. Step 3: Cross multiply
    603,728.49x = 905,623.76 × 154,453.25
  4. Step 4: Simplify right side
    603,728.49x = 139,876,533,009.22
  5. Step 5: Solve for x
    x = 139,876,533,009.22/603,728.49
  6. Step 6: Final answer
    x = 231,687.81

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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.