Home / 619,923.85-855,523.33-344,282.96

Finding the Fourth Proportional to 619,923.85, 855,523.33 and 344,282.96

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Solution

The fourth proportional to 619,923.85, 855,523.33 and 344,282.96 is: 475,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,923.85 : 855,523.33 = 344,282.96 : x
  2. Step 2: Convert to fraction form
    619,923.85/855,523.33 = 344,282.96/x
  3. Step 3: Cross multiply
    619,923.85x = 855,523.33 × 344,282.96
  4. Step 4: Simplify right side
    619,923.85x = 294,542,105,679.56
  5. Step 5: Solve for x
    x = 294,542,105,679.56/619,923.85
  6. Step 6: Final answer
    x = 475,126.27

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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.