Home / 325,840.20-488,760.30-276,632.70

Finding the Fourth Proportional to 325,840.20, 488,760.30 and 276,632.70

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Solution

The fourth proportional to 325,840.20, 488,760.30 and 276,632.70 is: 414,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,840.20 : 488,760.30 = 276,632.70 : x
  2. Step 2: Convert to fraction form
    325,840.20/488,760.30 = 276,632.70/x
  3. Step 3: Cross multiply
    325,840.20x = 488,760.30 × 276,632.70
  4. Step 4: Simplify right side
    325,840.20x = 135,207,081,441.81
  5. Step 5: Solve for x
    x = 135,207,081,441.81/325,840.20
  6. Step 6: Final answer
    x = 414,949.05

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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.