Home / 494,308.98-682,156.89-279,436.23

Finding the Fourth Proportional to 494,308.98, 682,156.89 and 279,436.23

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Solution

The fourth proportional to 494,308.98, 682,156.89 and 279,436.23 is: 385,627.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,308.98 : 682,156.89 = 279,436.23 : x
  2. Step 2: Convert to fraction form
    494,308.98/682,156.89 = 279,436.23/x
  3. Step 3: Cross multiply
    494,308.98x = 682,156.89 × 279,436.23
  4. Step 4: Simplify right side
    494,308.98x = 190,619,349,610.13
  5. Step 5: Solve for x
    x = 190,619,349,610.13/494,308.98
  6. Step 6: Final answer
    x = 385,627.93

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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.