Home / 403,826.44-557,284.20-222,544.87

Finding the Fourth Proportional to 403,826.44, 557,284.20 and 222,544.87

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Solution

The fourth proportional to 403,826.44, 557,284.20 and 222,544.87 is: 307,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,826.44 : 557,284.20 = 222,544.87 : x
  2. Step 2: Convert to fraction form
    403,826.44/557,284.20 = 222,544.87/x
  3. Step 3: Cross multiply
    403,826.44x = 557,284.20 × 222,544.87
  4. Step 4: Simplify right side
    403,826.44x = 124,020,738,866.12
  5. Step 5: Solve for x
    x = 124,020,738,866.12/403,826.44
  6. Step 6: Final answer
    x = 307,113.97

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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.