Home / 1,286,851.44-1,775,857.06-713,891.60

Finding the Fourth Proportional to 1,286,851.44, 1,775,857.06 and 713,891.60

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Solution

The fourth proportional to 1,286,851.44, 1,775,857.06 and 713,891.60 is: 985,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,851.44 : 1,775,857.06 = 713,891.60 : x
  2. Step 2: Convert to fraction form
    1,286,851.44/1,775,857.06 = 713,891.60/x
  3. Step 3: Cross multiply
    1,286,851.44x = 1,775,857.06 × 713,891.60
  4. Step 4: Simplify right side
    1,286,851.44x = 1,267,769,437,934.70
  5. Step 5: Solve for x
    x = 1,267,769,437,934.70/1,286,851.44
  6. Step 6: Final answer
    x = 985,171.56

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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.