Home / 404,171.36-557,753.09-222,890.84

Finding the Fourth Proportional to 404,171.36, 557,753.09 and 222,890.84

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Solution

The fourth proportional to 404,171.36, 557,753.09 and 222,890.84 is: 307,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,171.36 : 557,753.09 = 222,890.84 : x
  2. Step 2: Convert to fraction form
    404,171.36/557,753.09 = 222,890.84/x
  3. Step 3: Cross multiply
    404,171.36x = 557,753.09 × 222,890.84
  4. Step 4: Simplify right side
    404,171.36x = 124,318,054,742.70
  5. Step 5: Solve for x
    x = 124,318,054,742.70/404,171.36
  6. Step 6: Final answer
    x = 307,587.49

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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.