Home / 1,681,283.56-2,320,147.38-917,321.80

Finding the Fourth Proportional to 1,681,283.56, 2,320,147.38 and 917,321.80

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Solution

The fourth proportional to 1,681,283.56, 2,320,147.38 and 917,321.80 is: 1,265,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,283.56 : 2,320,147.38 = 917,321.80 : x
  2. Step 2: Convert to fraction form
    1,681,283.56/2,320,147.38 = 917,321.80/x
  3. Step 3: Cross multiply
    1,681,283.56x = 2,320,147.38 × 917,321.80
  4. Step 4: Simplify right side
    1,681,283.56x = 2,128,321,770,886.88
  5. Step 5: Solve for x
    x = 2,128,321,770,886.88/1,681,283.56
  6. Step 6: Final answer
    x = 1,265,891.03

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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.