Home / 628,471.81-942,716.49-179,192.85

Finding the Fourth Proportional to 628,471.81, 942,716.49 and 179,192.85

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Solution

The fourth proportional to 628,471.81, 942,716.49 and 179,192.85 is: 268,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,471.81 : 942,716.49 = 179,192.85 : x
  2. Step 2: Convert to fraction form
    628,471.81/942,716.49 = 179,192.85/x
  3. Step 3: Cross multiply
    628,471.81x = 942,716.49 × 179,192.85
  4. Step 4: Simplify right side
    628,471.81x = 168,928,058,792.26
  5. Step 5: Solve for x
    x = 168,928,058,792.26/628,471.81
  6. Step 6: Final answer
    x = 268,791.78

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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.