Home / 398,926.83-550,516.37-226,844.81

Finding the Fourth Proportional to 398,926.83, 550,516.37 and 226,844.81

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Solution

The fourth proportional to 398,926.83, 550,516.37 and 226,844.81 is: 313,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,926.83 : 550,516.37 = 226,844.81 : x
  2. Step 2: Convert to fraction form
    398,926.83/550,516.37 = 226,844.81/x
  3. Step 3: Cross multiply
    398,926.83x = 550,516.37 × 226,844.81
  4. Step 4: Simplify right side
    398,926.83x = 124,881,777,467.73
  5. Step 5: Solve for x
    x = 124,881,777,467.73/398,926.83
  6. Step 6: Final answer
    x = 313,044.32

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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.