Home / 1,275,098.00-1,759,708.89-731,229.44

Finding the Fourth Proportional to 1,275,098.00, 1,759,708.89 and 731,229.44

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Solution

The fourth proportional to 1,275,098.00, 1,759,708.89 and 731,229.44 is: 1,009,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,098.00 : 1,759,708.89 = 731,229.44 : x
  2. Step 2: Convert to fraction form
    1,275,098.00/1,759,708.89 = 731,229.44/x
  3. Step 3: Cross multiply
    1,275,098.00x = 1,759,708.89 × 731,229.44
  4. Step 4: Simplify right side
    1,275,098.00x = 1,286,750,937,399.18
  5. Step 5: Solve for x
    x = 1,286,750,937,399.18/1,275,098.00
  6. Step 6: Final answer
    x = 1,009,138.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.