Home / 1,585,817.28-2,188,443.60-860,671.44

Finding the Fourth Proportional to 1,585,817.28, 2,188,443.60 and 860,671.44

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Solution

The fourth proportional to 1,585,817.28, 2,188,443.60 and 860,671.44 is: 1,187,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,817.28 : 2,188,443.60 = 860,671.44 : x
  2. Step 2: Convert to fraction form
    1,585,817.28/2,188,443.60 = 860,671.44/x
  3. Step 3: Cross multiply
    1,585,817.28x = 2,188,443.60 × 860,671.44
  4. Step 4: Simplify right side
    1,585,817.28x = 1,883,530,904,570.78
  5. Step 5: Solve for x
    x = 1,883,530,904,570.78/1,585,817.28
  6. Step 6: Final answer
    x = 1,187,735.14

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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.