Home / 398,933.74-550,525.96-226,851.72

Finding the Fourth Proportional to 398,933.74, 550,525.96 and 226,851.72

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Solution

The fourth proportional to 398,933.74, 550,525.96 and 226,851.72 is: 313,053.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,933.74 : 550,525.96 = 226,851.72 : x
  2. Step 2: Convert to fraction form
    398,933.74/550,525.96 = 226,851.72/x
  3. Step 3: Cross multiply
    398,933.74x = 550,525.96 × 226,851.72
  4. Step 4: Simplify right side
    398,933.74x = 124,887,760,930.65
  5. Step 5: Solve for x
    x = 124,887,760,930.65/398,933.74
  6. Step 6: Final answer
    x = 313,053.89

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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.