Home / 401,531.04-554,115.60-222,694.56

Finding the Fourth Proportional to 401,531.04, 554,115.60 and 222,694.56

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Solution

The fourth proportional to 401,531.04, 554,115.60 and 222,694.56 is: 307,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,531.04 : 554,115.60 = 222,694.56 : x
  2. Step 2: Convert to fraction form
    401,531.04/554,115.60 = 222,694.56/x
  3. Step 3: Cross multiply
    401,531.04x = 554,115.60 × 222,694.56
  4. Step 4: Simplify right side
    401,531.04x = 123,398,529,731.14
  5. Step 5: Solve for x
    x = 123,398,529,731.14/401,531.04
  6. Step 6: Final answer
    x = 307,320.03

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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.