Home / 383,019.36-528,546.46-219,667.43

Finding the Fourth Proportional to 383,019.36, 528,546.46 and 219,667.43

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Solution

The fourth proportional to 383,019.36, 528,546.46 and 219,667.43 is: 303,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,019.36 : 528,546.46 = 219,667.43 : x
  2. Step 2: Convert to fraction form
    383,019.36/528,546.46 = 219,667.43/x
  3. Step 3: Cross multiply
    383,019.36x = 528,546.46 × 219,667.43
  4. Step 4: Simplify right side
    383,019.36x = 116,104,442,503.80
  5. Step 5: Solve for x
    x = 116,104,442,503.80/383,019.36
  6. Step 6: Final answer
    x = 303,129.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.