Home / 494,837.10-742,255.65-335,404.80

Finding the Fourth Proportional to 494,837.10, 742,255.65 and 335,404.80

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Solution

The fourth proportional to 494,837.10, 742,255.65 and 335,404.80 is: 503,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,837.10 : 742,255.65 = 335,404.80 : x
  2. Step 2: Convert to fraction form
    494,837.10/742,255.65 = 335,404.80/x
  3. Step 3: Cross multiply
    494,837.10x = 742,255.65 × 335,404.80
  4. Step 4: Simplify right side
    494,837.10x = 248,956,107,837.12
  5. Step 5: Solve for x
    x = 248,956,107,837.12/494,837.10
  6. Step 6: Final answer
    x = 503,107.20

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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.