Home / 394,716.74-591,985.80-181,279.46

Finding the Fourth Proportional to 394,716.74, 591,985.80 and 181,279.46

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Solution

The fourth proportional to 394,716.74, 591,985.80 and 181,279.46 is: 271,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,716.74 : 591,985.80 = 181,279.46 : x
  2. Step 2: Convert to fraction form
    394,716.74/591,985.80 = 181,279.46/x
  3. Step 3: Cross multiply
    394,716.74x = 591,985.80 × 181,279.46
  4. Step 4: Simplify right side
    394,716.74x = 107,314,866,151.67
  5. Step 5: Solve for x
    x = 107,314,866,151.67/394,716.74
  6. Step 6: Final answer
    x = 271,878.17

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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.