Home / 494,198.30-682,005.48-279,339.19

Finding the Fourth Proportional to 494,198.30, 682,005.48 and 279,339.19

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Solution

The fourth proportional to 494,198.30, 682,005.48 and 279,339.19 is: 385,494.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,198.30 : 682,005.48 = 279,339.19 : x
  2. Step 2: Convert to fraction form
    494,198.30/682,005.48 = 279,339.19/x
  3. Step 3: Cross multiply
    494,198.30x = 682,005.48 × 279,339.19
  4. Step 4: Simplify right side
    494,198.30x = 190,510,858,358.76
  5. Step 5: Solve for x
    x = 190,510,858,358.76/494,198.30
  6. Step 6: Final answer
    x = 385,494.77

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1.5x scale

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.