Home / 1,585,758-2,188,347.17-860,605.55

Finding the Fourth Proportional to 1,585,758, 2,188,347.17 and 860,605.55

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Solution

The fourth proportional to 1,585,758, 2,188,347.17 and 860,605.55 is: 1,187,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,758 : 2,188,347.17 = 860,605.55 : x
  2. Step 2: Convert to fraction form
    1,585,758/2,188,347.17 = 860,605.55/x
  3. Step 3: Cross multiply
    1,585,758x = 2,188,347.17 × 860,605.55
  4. Step 4: Simplify right side
    1,585,758x = 1,883,303,704,584.03
  5. Step 5: Solve for x
    x = 1,883,303,704,584.03/1,585,758
  6. Step 6: Final answer
    x = 1,187,636.26

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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.