Home / 1,138,816.26-1,571,517.45-622,560.33

Finding the Fourth Proportional to 1,138,816.26, 1,571,517.45 and 622,560.33

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Solution

The fourth proportional to 1,138,816.26, 1,571,517.45 and 622,560.33 is: 859,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,816.26 : 1,571,517.45 = 622,560.33 : x
  2. Step 2: Convert to fraction form
    1,138,816.26/1,571,517.45 = 622,560.33/x
  3. Step 3: Cross multiply
    1,138,816.26x = 1,571,517.45 × 622,560.33
  4. Step 4: Simplify right side
    1,138,816.26x = 978,364,422,272.76
  5. Step 5: Solve for x
    x = 978,364,422,272.76/1,138,816.26
  6. Step 6: Final answer
    x = 859,106.47

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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.