Home / 383,227.20-528,452.67-286,279.11

Finding the Fourth Proportional to 383,227.20, 528,452.67 and 286,279.11

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Solution

The fourth proportional to 383,227.20, 528,452.67 and 286,279.11 is: 394,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,227.20 : 528,452.67 = 286,279.11 : x
  2. Step 2: Convert to fraction form
    383,227.20/528,452.67 = 286,279.11/x
  3. Step 3: Cross multiply
    383,227.20x = 528,452.67 × 286,279.11
  4. Step 4: Simplify right side
    383,227.20x = 151,284,960,044.72
  5. Step 5: Solve for x
    x = 151,284,960,044.72/383,227.20
  6. Step 6: Final answer
    x = 394,765.72

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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.