Home / 413,771.11-619,795.53-263,265.86

Finding the Fourth Proportional to 413,771.11, 619,795.53 and 263,265.86

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Solution

The fourth proportional to 413,771.11, 619,795.53 and 263,265.86 is: 394,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,771.11 : 619,795.53 = 263,265.86 : x
  2. Step 2: Convert to fraction form
    413,771.11/619,795.53 = 263,265.86/x
  3. Step 3: Cross multiply
    413,771.11x = 619,795.53 × 263,265.86
  4. Step 4: Simplify right side
    413,771.11x = 163,171,004,779.10
  5. Step 5: Solve for x
    x = 163,171,004,779.10/413,771.11
  6. Step 6: Final answer
    x = 394,350.89

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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.