Home / 494,181.90-740,425.79-331,771.77

Finding the Fourth Proportional to 494,181.90, 740,425.79 and 331,771.77

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Solution

The fourth proportional to 494,181.90, 740,425.79 and 331,771.77 is: 497,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,181.90 : 740,425.79 = 331,771.77 : x
  2. Step 2: Convert to fraction form
    494,181.90/740,425.79 = 331,771.77/x
  3. Step 3: Cross multiply
    494,181.90x = 740,425.79 × 331,771.77
  4. Step 4: Simplify right side
    494,181.90x = 245,652,373,243.09
  5. Step 5: Solve for x
    x = 245,652,373,243.09/494,181.90
  6. Step 6: Final answer
    x = 497,088.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.