Home / 1,585,935.75-2,188,593.74-860,783.73

Finding the Fourth Proportional to 1,585,935.75, 2,188,593.74 and 860,783.73

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Solution

The fourth proportional to 1,585,935.75, 2,188,593.74 and 860,783.73 is: 1,187,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,935.75 : 2,188,593.74 = 860,783.73 : x
  2. Step 2: Convert to fraction form
    1,585,935.75/2,188,593.74 = 860,783.73/x
  3. Step 3: Cross multiply
    1,585,935.75x = 2,188,593.74 × 860,783.73
  4. Step 4: Simplify right side
    1,585,935.75x = 1,883,905,888,443.33
  5. Step 5: Solve for x
    x = 1,883,905,888,443.33/1,585,935.75
  6. Step 6: Final answer
    x = 1,187,882.86

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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.