Home / 1,585,940.73-2,188,539.57-860,772.88

Finding the Fourth Proportional to 1,585,940.73, 2,188,539.57 and 860,772.88

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Solution

The fourth proportional to 1,585,940.73, 2,188,539.57 and 860,772.88 is: 1,187,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,940.73 : 2,188,539.57 = 860,772.88 : x
  2. Step 2: Convert to fraction form
    1,585,940.73/2,188,539.57 = 860,772.88/x
  3. Step 3: Cross multiply
    1,585,940.73x = 2,188,539.57 × 860,772.88
  4. Step 4: Simplify right side
    1,585,940.73x = 1,883,835,508,662.86
  5. Step 5: Solve for x
    x = 1,883,835,508,662.86/1,585,940.73
  6. Step 6: Final answer
    x = 1,187,834.75

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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.