Home / 1,252,964.12-1,729,091.36-680,004.28

Finding the Fourth Proportional to 1,252,964.12, 1,729,091.36 and 680,004.28

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Solution

The fourth proportional to 1,252,964.12, 1,729,091.36 and 680,004.28 is: 938,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,964.12 : 1,729,091.36 = 680,004.28 : x
  2. Step 2: Convert to fraction form
    1,252,964.12/1,729,091.36 = 680,004.28/x
  3. Step 3: Cross multiply
    1,252,964.12x = 1,729,091.36 × 680,004.28
  4. Step 4: Simplify right side
    1,252,964.12x = 1,175,789,513,265.54
  5. Step 5: Solve for x
    x = 1,175,789,513,265.54/1,252,964.12
  6. Step 6: Final answer
    x = 938,406.37

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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.