Home / 394,511.30-591,086.55-183,716.90

Finding the Fourth Proportional to 394,511.30, 591,086.55 and 183,716.90

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Solution

The fourth proportional to 394,511.30, 591,086.55 and 183,716.90 is: 275,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,511.30 : 591,086.55 = 183,716.90 : x
  2. Step 2: Convert to fraction form
    394,511.30/591,086.55 = 183,716.90/x
  3. Step 3: Cross multiply
    394,511.30x = 591,086.55 × 183,716.90
  4. Step 4: Simplify right side
    394,511.30x = 108,592,588,597.70
  5. Step 5: Solve for x
    x = 108,592,588,597.70/394,511.30
  6. Step 6: Final answer
    x = 275,258.50

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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.