Home / 394,047.40-591,071.10-236,453.80

Finding the Fourth Proportional to 394,047.40, 591,071.10 and 236,453.80

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Solution

The fourth proportional to 394,047.40, 591,071.10 and 236,453.80 is: 354,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,047.40 : 591,071.10 = 236,453.80 : x
  2. Step 2: Convert to fraction form
    394,047.40/591,071.10 = 236,453.80/x
  3. Step 3: Cross multiply
    394,047.40x = 591,071.10 × 236,453.80
  4. Step 4: Simplify right side
    394,047.40x = 139,761,007,665.18
  5. Step 5: Solve for x
    x = 139,761,007,665.18/394,047.40
  6. Step 6: Final answer
    x = 354,680.70

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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.