Home / 1,340,668.26-1,848,385.66-868,335.66

Finding the Fourth Proportional to 1,340,668.26, 1,848,385.66 and 868,335.66

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Solution

The fourth proportional to 1,340,668.26, 1,848,385.66 and 868,335.66 is: 1,197,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,668.26 : 1,848,385.66 = 868,335.66 : x
  2. Step 2: Convert to fraction form
    1,340,668.26/1,848,385.66 = 868,335.66/x
  3. Step 3: Cross multiply
    1,340,668.26x = 1,848,385.66 × 868,335.66
  4. Step 4: Simplify right side
    1,340,668.26x = 1,605,019,177,668.96
  5. Step 5: Solve for x
    x = 1,605,019,177,668.96/1,340,668.26
  6. Step 6: Final answer
    x = 1,197,178.47

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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.