Home / 1,585,939.73-2,188,538.19-860,771.88

Finding the Fourth Proportional to 1,585,939.73, 2,188,538.19 and 860,771.88

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Solution

The fourth proportional to 1,585,939.73, 2,188,538.19 and 860,771.88 is: 1,187,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,939.73 : 2,188,538.19 = 860,771.88 : x
  2. Step 2: Convert to fraction form
    1,585,939.73/2,188,538.19 = 860,771.88/x
  3. Step 3: Cross multiply
    1,585,939.73x = 2,188,538.19 × 860,771.88
  4. Step 4: Simplify right side
    1,585,939.73x = 1,883,832,123,025.20
  5. Step 5: Solve for x
    x = 1,883,832,123,025.20/1,585,939.73
  6. Step 6: Final answer
    x = 1,187,833.36

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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.