Home / 403,761.90-557,183.94-222,490.38

Finding the Fourth Proportional to 403,761.90, 557,183.94 and 222,490.38

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Solution

The fourth proportional to 403,761.90, 557,183.94 and 222,490.38 is: 307,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,761.90 : 557,183.94 = 222,490.38 : x
  2. Step 2: Convert to fraction form
    403,761.90/557,183.94 = 222,490.38/x
  3. Step 3: Cross multiply
    403,761.90x = 557,183.94 × 222,490.38
  4. Step 4: Simplify right side
    403,761.90x = 123,968,066,540.50
  5. Step 5: Solve for x
    x = 123,968,066,540.50/403,761.90
  6. Step 6: Final answer
    x = 307,032.60

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1.5x scale

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.