Home / 681,162.20-1,019,993.70-540,027.80

Finding the Fourth Proportional to 681,162.20, 1,019,993.70 and 540,027.80

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Solution

The fourth proportional to 681,162.20, 1,019,993.70 and 540,027.80 is: 808,654.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,162.20 : 1,019,993.70 = 540,027.80 : x
  2. Step 2: Convert to fraction form
    681,162.20/1,019,993.70 = 540,027.80/x
  3. Step 3: Cross multiply
    681,162.20x = 1,019,993.70 × 540,027.80
  4. Step 4: Simplify right side
    681,162.20x = 550,824,953,824.86
  5. Step 5: Solve for x
    x = 550,824,953,824.86/681,162.20
  6. Step 6: Final answer
    x = 808,654.61

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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.