Home / 868,571.64-1,302,794.69-269,517.51

Finding the Fourth Proportional to 868,571.64, 1,302,794.69 and 269,517.51

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Solution

The fourth proportional to 868,571.64, 1,302,794.69 and 269,517.51 is: 404,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,571.64 : 1,302,794.69 = 269,517.51 : x
  2. Step 2: Convert to fraction form
    868,571.64/1,302,794.69 = 269,517.51/x
  3. Step 3: Cross multiply
    868,571.64x = 1,302,794.69 × 269,517.51
  4. Step 4: Simplify right side
    868,571.64x = 351,125,979,542.43
  5. Step 5: Solve for x
    x = 351,125,979,542.43/868,571.64
  6. Step 6: Final answer
    x = 404,256.79

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.