Home / 436,076.20-654,135.90-226,124.20

Finding the Fourth Proportional to 436,076.20, 654,135.90 and 226,124.20

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Solution

The fourth proportional to 436,076.20, 654,135.90 and 226,124.20 is: 339,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,076.20 : 654,135.90 = 226,124.20 : x
  2. Step 2: Convert to fraction form
    436,076.20/654,135.90 = 226,124.20/x
  3. Step 3: Cross multiply
    436,076.20x = 654,135.90 × 226,124.20
  4. Step 4: Simplify right side
    436,076.20x = 147,915,957,078.78
  5. Step 5: Solve for x
    x = 147,915,957,078.78/436,076.20
  6. Step 6: Final answer
    x = 339,197.50

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1.5x scale

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.