Home / 494,440.69-682,324.88-279,581.61

Finding the Fourth Proportional to 494,440.69, 682,324.88 and 279,581.61

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Solution

The fourth proportional to 494,440.69, 682,324.88 and 279,581.61 is: 385,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,440.69 : 682,324.88 = 279,581.61 : x
  2. Step 2: Convert to fraction form
    494,440.69/682,324.88 = 279,581.61/x
  3. Step 3: Cross multiply
    494,440.69x = 682,324.88 × 279,581.61
  4. Step 4: Simplify right side
    494,440.69x = 190,765,488,493.46
  5. Step 5: Solve for x
    x = 190,765,488,493.46/494,440.69
  6. Step 6: Final answer
    x = 385,820.77

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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.