Home / 1,222,189-1,833,333.20-582,163.72

Finding the Fourth Proportional to 1,222,189, 1,833,333.20 and 582,163.72

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Solution

The fourth proportional to 1,222,189, 1,833,333.20 and 582,163.72 is: 873,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,189 : 1,833,333.20 = 582,163.72 : x
  2. Step 2: Convert to fraction form
    1,222,189/1,833,333.20 = 582,163.72/x
  3. Step 3: Cross multiply
    1,222,189x = 1,833,333.20 × 582,163.72
  4. Step 4: Simplify right side
    1,222,189x = 1,067,300,075,711.50
  5. Step 5: Solve for x
    x = 1,067,300,075,711.50/1,222,189
  6. Step 6: Final answer
    x = 873,269.25

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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.