Home / 1,585,976.70-2,188,589.21-860,808.96

Finding the Fourth Proportional to 1,585,976.70, 2,188,589.21 and 860,808.96

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Solution

The fourth proportional to 1,585,976.70, 2,188,589.21 and 860,808.96 is: 1,187,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,976.70 : 2,188,589.21 = 860,808.96 : x
  2. Step 2: Convert to fraction form
    1,585,976.70/2,188,589.21 = 860,808.96/x
  3. Step 3: Cross multiply
    1,585,976.70x = 2,188,589.21 × 860,808.96
  4. Step 4: Simplify right side
    1,585,976.70x = 1,883,957,197,423.28
  5. Step 5: Solve for x
    x = 1,883,957,197,423.28/1,585,976.70
  6. Step 6: Final answer
    x = 1,187,884.54

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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.