Home / 494,205.30-682,015.14-279,346.23

Finding the Fourth Proportional to 494,205.30, 682,015.14 and 279,346.23

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Solution

The fourth proportional to 494,205.30, 682,015.14 and 279,346.23 is: 385,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,205.30 : 682,015.14 = 279,346.23 : x
  2. Step 2: Convert to fraction form
    494,205.30/682,015.14 = 279,346.23/x
  3. Step 3: Cross multiply
    494,205.30x = 682,015.14 × 279,346.23
  4. Step 4: Simplify right side
    494,205.30x = 190,518,358,161.92
  5. Step 5: Solve for x
    x = 190,518,358,161.92/494,205.30
  6. Step 6: Final answer
    x = 385,504.48

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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.