Home / 467,719.80-645,556.56-304,091.52

Finding the Fourth Proportional to 467,719.80, 645,556.56 and 304,091.52

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Solution

The fourth proportional to 467,719.80, 645,556.56 and 304,091.52 is: 419,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,719.80 : 645,556.56 = 304,091.52 : x
  2. Step 2: Convert to fraction form
    467,719.80/645,556.56 = 304,091.52/x
  3. Step 3: Cross multiply
    467,719.80x = 645,556.56 × 304,091.52
  4. Step 4: Simplify right side
    467,719.80x = 196,308,275,576.37
  5. Step 5: Solve for x
    x = 196,308,275,576.37/467,719.80
  6. Step 6: Final answer
    x = 419,713.42

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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.