Home / 1,391,517.63-2,087,243.64-444,896.55

Finding the Fourth Proportional to 1,391,517.63, 2,087,243.64 and 444,896.55

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Solution

The fourth proportional to 1,391,517.63, 2,087,243.64 and 444,896.55 is: 667,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,517.63 : 2,087,243.64 = 444,896.55 : x
  2. Step 2: Convert to fraction form
    1,391,517.63/2,087,243.64 = 444,896.55/x
  3. Step 3: Cross multiply
    1,391,517.63x = 2,087,243.64 × 444,896.55
  4. Step 4: Simplify right side
    1,391,517.63x = 928,607,494,445.44
  5. Step 5: Solve for x
    x = 928,607,494,445.44/1,391,517.63
  6. Step 6: Final answer
    x = 667,334.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.