Home / 407,819.61-611,741.97-194,610.60

Finding the Fourth Proportional to 407,819.61, 611,741.97 and 194,610.60

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Solution

The fourth proportional to 407,819.61, 611,741.97 and 194,610.60 is: 291,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,819.61 : 611,741.97 = 194,610.60 : x
  2. Step 2: Convert to fraction form
    407,819.61/611,741.97 = 194,610.60/x
  3. Step 3: Cross multiply
    407,819.61x = 611,741.97 × 194,610.60
  4. Step 4: Simplify right side
    407,819.61x = 119,051,471,826.88
  5. Step 5: Solve for x
    x = 119,051,471,826.88/407,819.61
  6. Step 6: Final answer
    x = 291,921.89

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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.