Home / 404,038.78-557,577.40-222,757.74

Finding the Fourth Proportional to 404,038.78, 557,577.40 and 222,757.74

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Solution

The fourth proportional to 404,038.78, 557,577.40 and 222,757.74 is: 307,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,038.78 : 557,577.40 = 222,757.74 : x
  2. Step 2: Convert to fraction form
    404,038.78/557,577.40 = 222,757.74/x
  3. Step 3: Cross multiply
    404,038.78x = 557,577.40 × 222,757.74
  4. Step 4: Simplify right side
    404,038.78x = 124,204,681,499.08
  5. Step 5: Solve for x
    x = 124,204,681,499.08/404,038.78
  6. Step 6: Final answer
    x = 307,407.82

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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.