Home / 413,771.36-619,795.91-263,266.11

Finding the Fourth Proportional to 413,771.36, 619,795.91 and 263,266.11

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Solution

The fourth proportional to 413,771.36, 619,795.91 and 263,266.11 is: 394,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,771.36 : 619,795.91 = 263,266.11 : x
  2. Step 2: Convert to fraction form
    413,771.36/619,795.91 = 263,266.11/x
  3. Step 3: Cross multiply
    413,771.36x = 619,795.91 × 263,266.11
  4. Step 4: Simplify right side
    413,771.36x = 163,171,258,452.77
  5. Step 5: Solve for x
    x = 163,171,258,452.77/413,771.36
  6. Step 6: Final answer
    x = 394,351.27

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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.