Home / 1,209,171.36-1,668,629.52-699,863.52

Finding the Fourth Proportional to 1,209,171.36, 1,668,629.52 and 699,863.52

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Solution

The fourth proportional to 1,209,171.36, 1,668,629.52 and 699,863.52 is: 965,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,171.36 : 1,668,629.52 = 699,863.52 : x
  2. Step 2: Convert to fraction form
    1,209,171.36/1,668,629.52 = 699,863.52/x
  3. Step 3: Cross multiply
    1,209,171.36x = 1,668,629.52 × 699,863.52
  4. Step 4: Simplify right side
    1,209,171.36x = 1,167,812,929,443.11
  5. Step 5: Solve for x
    x = 1,167,812,929,443.11/1,209,171.36
  6. Step 6: Final answer
    x = 965,796.06

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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.