Home / 1,147,806.72-1,721,694.96-516,274.56

Finding the Fourth Proportional to 1,147,806.72, 1,721,694.96 and 516,274.56

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Solution

The fourth proportional to 1,147,806.72, 1,721,694.96 and 516,274.56 is: 774,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,806.72 : 1,721,694.96 = 516,274.56 : x
  2. Step 2: Convert to fraction form
    1,147,806.72/1,721,694.96 = 516,274.56/x
  3. Step 3: Cross multiply
    1,147,806.72x = 1,721,694.96 × 516,274.56
  4. Step 4: Simplify right side
    1,147,806.72x = 888,867,307,928.22
  5. Step 5: Solve for x
    x = 888,867,307,928.22/1,147,806.72
  6. Step 6: Final answer
    x = 774,405.04

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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.