Home / 383,204.16-528,767.46-217,626.39

Finding the Fourth Proportional to 383,204.16, 528,767.46 and 217,626.39

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Solution

The fourth proportional to 383,204.16, 528,767.46 and 217,626.39 is: 300,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,204.16 : 528,767.46 = 217,626.39 : x
  2. Step 2: Convert to fraction form
    383,204.16/528,767.46 = 217,626.39/x
  3. Step 3: Cross multiply
    383,204.16x = 528,767.46 × 217,626.39
  4. Step 4: Simplify right side
    383,204.16x = 115,073,753,469.27
  5. Step 5: Solve for x
    x = 115,073,753,469.27/383,204.16
  6. Step 6: Final answer
    x = 300,293.59

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1.5x scale

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.