Home / 484,021.82-667,852.23-282,778.94

Finding the Fourth Proportional to 484,021.82, 667,852.23 and 282,778.94

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Solution

The fourth proportional to 484,021.82, 667,852.23 and 282,778.94 is: 390,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,021.82 : 667,852.23 = 282,778.94 : x
  2. Step 2: Convert to fraction form
    484,021.82/667,852.23 = 282,778.94/x
  3. Step 3: Cross multiply
    484,021.82x = 667,852.23 × 282,778.94
  4. Step 4: Simplify right side
    484,021.82x = 188,854,545,676.04
  5. Step 5: Solve for x
    x = 188,854,545,676.04/484,021.82
  6. Step 6: Final answer
    x = 390,177.75

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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.