Home / 534,115.20-799,876.80-284,246.40

Finding the Fourth Proportional to 534,115.20, 799,876.80 and 284,246.40

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Solution

The fourth proportional to 534,115.20, 799,876.80 and 284,246.40 is: 425,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,115.20 : 799,876.80 = 284,246.40 : x
  2. Step 2: Convert to fraction form
    534,115.20/799,876.80 = 284,246.40/x
  3. Step 3: Cross multiply
    534,115.20x = 799,876.80 × 284,246.40
  4. Step 4: Simplify right side
    534,115.20x = 227,362,100,843.52
  5. Step 5: Solve for x
    x = 227,362,100,843.52/534,115.20
  6. Step 6: Final answer
    x = 425,679.89

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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.