Home / 494,017.82-681,735.69-279,153.26

Finding the Fourth Proportional to 494,017.82, 681,735.69 and 279,153.26

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Solution

The fourth proportional to 494,017.82, 681,735.69 and 279,153.26 is: 385,226.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,017.82 : 681,735.69 = 279,153.26 : x
  2. Step 2: Convert to fraction form
    494,017.82/681,735.69 = 279,153.26/x
  3. Step 3: Cross multiply
    494,017.82x = 681,735.69 × 279,153.26
  4. Step 4: Simplify right side
    494,017.82x = 190,308,740,321.85
  5. Step 5: Solve for x
    x = 190,308,740,321.85/494,017.82
  6. Step 6: Final answer
    x = 385,226.47

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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.