Home / 413,190.12-619,703.58-113,593.44

Finding the Fourth Proportional to 413,190.12, 619,703.58 and 113,593.44

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Solution

The fourth proportional to 413,190.12, 619,703.58 and 113,593.44 is: 170,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,190.12 : 619,703.58 = 113,593.44 : x
  2. Step 2: Convert to fraction form
    413,190.12/619,703.58 = 113,593.44/x
  3. Step 3: Cross multiply
    413,190.12x = 619,703.58 × 113,593.44
  4. Step 4: Simplify right side
    413,190.12x = 70,394,261,432.52
  5. Step 5: Solve for x
    x = 70,394,261,432.52/413,190.12
  6. Step 6: Final answer
    x = 170,367.73

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1.5x scale

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.