Home / 1,585,761-2,188,351.32-860,608.56

Finding the Fourth Proportional to 1,585,761, 2,188,351.32 and 860,608.56

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Solution

The fourth proportional to 1,585,761, 2,188,351.32 and 860,608.56 is: 1,187,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,761 : 2,188,351.32 = 860,608.56 : x
  2. Step 2: Convert to fraction form
    1,585,761/2,188,351.32 = 860,608.56/x
  3. Step 3: Cross multiply
    1,585,761x = 2,188,351.32 × 860,608.56
  4. Step 4: Simplify right side
    1,585,761x = 1,883,313,878,279.30
  5. Step 5: Solve for x
    x = 1,883,313,878,279.30/1,585,761
  6. Step 6: Final answer
    x = 1,187,640.43

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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.