Home / 491,540.40-736,921.80-269,924.40

Finding the Fourth Proportional to 491,540.40, 736,921.80 and 269,924.40

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Solution

The fourth proportional to 491,540.40, 736,921.80 and 269,924.40 is: 404,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,540.40 : 736,921.80 = 269,924.40 : x
  2. Step 2: Convert to fraction form
    491,540.40/736,921.80 = 269,924.40/x
  3. Step 3: Cross multiply
    491,540.40x = 736,921.80 × 269,924.40
  4. Step 4: Simplify right side
    491,540.40x = 198,913,174,711.92
  5. Step 5: Solve for x
    x = 198,913,174,711.92/491,540.40
  6. Step 6: Final answer
    x = 404,673.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.