Home / 689,197.11-1,033,659.41-655,019.31

Finding the Fourth Proportional to 689,197.11, 1,033,659.41 and 655,019.31

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Solution

The fourth proportional to 689,197.11, 1,033,659.41 and 655,019.31 is: 982,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,197.11 : 1,033,659.41 = 655,019.31 : x
  2. Step 2: Convert to fraction form
    689,197.11/1,033,659.41 = 655,019.31/x
  3. Step 3: Cross multiply
    689,197.11x = 1,033,659.41 × 655,019.31
  4. Step 4: Simplify right side
    689,197.11x = 677,066,870,238.11
  5. Step 5: Solve for x
    x = 677,066,870,238.11/689,197.11
  6. Step 6: Final answer
    x = 982,399.46

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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.