Home / 681,412.75-1,022,168.36-276,410.46

Finding the Fourth Proportional to 681,412.75, 1,022,168.36 and 276,410.46

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Solution

The fourth proportional to 681,412.75, 1,022,168.36 and 276,410.46 is: 414,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,412.75 : 1,022,168.36 = 276,410.46 : x
  2. Step 2: Convert to fraction form
    681,412.75/1,022,168.36 = 276,410.46/x
  3. Step 3: Cross multiply
    681,412.75x = 1,022,168.36 × 276,410.46
  4. Step 4: Simplify right side
    681,412.75x = 282,538,020,092.15
  5. Step 5: Solve for x
    x = 282,538,020,092.15/681,412.75
  6. Step 6: Final answer
    x = 414,635.65

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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.