Home / 1,352,185.01-1,866,163.69-862,171.94

Finding the Fourth Proportional to 1,352,185.01, 1,866,163.69 and 862,171.94

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Solution

The fourth proportional to 1,352,185.01, 1,866,163.69 and 862,171.94 is: 1,189,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,185.01 : 1,866,163.69 = 862,171.94 : x
  2. Step 2: Convert to fraction form
    1,352,185.01/1,866,163.69 = 862,171.94/x
  3. Step 3: Cross multiply
    1,352,185.01x = 1,866,163.69 × 862,171.94
  4. Step 4: Simplify right side
    1,352,185.01x = 1,608,953,968,964.86
  5. Step 5: Solve for x
    x = 1,608,953,968,964.86/1,352,185.01
  6. Step 6: Final answer
    x = 1,189,891.88

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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.