Home / 494,993.27-683,090.53-268,638.77

Finding the Fourth Proportional to 494,993.27, 683,090.53 and 268,638.77

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Solution

The fourth proportional to 494,993.27, 683,090.53 and 268,638.77 is: 370,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,993.27 : 683,090.53 = 268,638.77 : x
  2. Step 2: Convert to fraction form
    494,993.27/683,090.53 = 268,638.77/x
  3. Step 3: Cross multiply
    494,993.27x = 683,090.53 × 268,638.77
  4. Step 4: Simplify right side
    494,993.27x = 183,504,595,690.80
  5. Step 5: Solve for x
    x = 183,504,595,690.80/494,993.27
  6. Step 6: Final answer
    x = 370,721.40

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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.