Home / 825,527.60-1,238,464.20-264,618.80

Finding the Fourth Proportional to 825,527.60, 1,238,464.20 and 264,618.80

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Solution

The fourth proportional to 825,527.60, 1,238,464.20 and 264,618.80 is: 396,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,527.60 : 1,238,464.20 = 264,618.80 : x
  2. Step 2: Convert to fraction form
    825,527.60/1,238,464.20 = 264,618.80/x
  3. Step 3: Cross multiply
    825,527.60x = 1,238,464.20 × 264,618.80
  4. Step 4: Simplify right side
    825,527.60x = 327,720,910,446.96
  5. Step 5: Solve for x
    x = 327,720,910,446.96/825,527.60
  6. Step 6: Final answer
    x = 396,983.59

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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.