Home / 1,585,902.09-2,188,512.27-897,561.63

Finding the Fourth Proportional to 1,585,902.09, 2,188,512.27 and 897,561.63

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Solution

The fourth proportional to 1,585,902.09, 2,188,512.27 and 897,561.63 is: 1,238,616.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,902.09 : 2,188,512.27 = 897,561.63 : x
  2. Step 2: Convert to fraction form
    1,585,902.09/2,188,512.27 = 897,561.63/x
  3. Step 3: Cross multiply
    1,585,902.09x = 2,188,512.27 × 897,561.63
  4. Step 4: Simplify right side
    1,585,902.09x = 1,964,324,640,336.20
  5. Step 5: Solve for x
    x = 1,964,324,640,336.20/1,585,902.09
  6. Step 6: Final answer
    x = 1,238,616.59

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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.