Home / 1,585,908.36-2,188,555.56-860,755.86

Finding the Fourth Proportional to 1,585,908.36, 2,188,555.56 and 860,755.86

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Solution

The fourth proportional to 1,585,908.36, 2,188,555.56 and 860,755.86 is: 1,187,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,908.36 : 2,188,555.56 = 860,755.86 : x
  2. Step 2: Convert to fraction form
    1,585,908.36/2,188,555.56 = 860,755.86/x
  3. Step 3: Cross multiply
    1,585,908.36x = 2,188,555.56 × 860,755.86
  4. Step 4: Simplify right side
    1,585,908.36x = 1,883,812,023,205.58
  5. Step 5: Solve for x
    x = 1,883,812,023,205.58/1,585,908.36
  6. Step 6: Final answer
    x = 1,187,844.18

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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.