Home / 403,934.32-557,427.25-222,646.60

Finding the Fourth Proportional to 403,934.32, 557,427.25 and 222,646.60

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Solution

The fourth proportional to 403,934.32, 557,427.25 and 222,646.60 is: 307,251.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,934.32 : 557,427.25 = 222,646.60 : x
  2. Step 2: Convert to fraction form
    403,934.32/557,427.25 = 222,646.60/x
  3. Step 3: Cross multiply
    403,934.32x = 557,427.25 × 222,646.60
  4. Step 4: Simplify right side
    403,934.32x = 124,109,281,959.85
  5. Step 5: Solve for x
    x = 124,109,281,959.85/403,934.32
  6. Step 6: Final answer
    x = 307,251.14

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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.