Home / 752,723.56-1,128,847.50-247,201.25

Finding the Fourth Proportional to 752,723.56, 1,128,847.50 and 247,201.25

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Solution

The fourth proportional to 752,723.56, 1,128,847.50 and 247,201.25 is: 370,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,723.56 : 1,128,847.50 = 247,201.25 : x
  2. Step 2: Convert to fraction form
    752,723.56/1,128,847.50 = 247,201.25/x
  3. Step 3: Cross multiply
    752,723.56x = 1,128,847.50 × 247,201.25
  4. Step 4: Simplify right side
    752,723.56x = 279,052,507,415.14
  5. Step 5: Solve for x
    x = 279,052,507,415.14/752,723.56
  6. Step 6: Final answer
    x = 370,723.76

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Similar ratio
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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.