Home / 401,742.33-554,404.41-229,664.04

Finding the Fourth Proportional to 401,742.33, 554,404.41 and 229,664.04

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Solution

The fourth proportional to 401,742.33, 554,404.41 and 229,664.04 is: 316,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,742.33 : 554,404.41 = 229,664.04 : x
  2. Step 2: Convert to fraction form
    401,742.33/554,404.41 = 229,664.04/x
  3. Step 3: Cross multiply
    401,742.33x = 554,404.41 × 229,664.04
  4. Step 4: Simplify right side
    401,742.33x = 127,326,756,594.42
  5. Step 5: Solve for x
    x = 127,326,756,594.42/401,742.33
  6. Step 6: Final answer
    x = 316,936.37

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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.