Home / 1,290,169.26-1,935,027.59-491,498.73

Finding the Fourth Proportional to 1,290,169.26, 1,935,027.59 and 491,498.73

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Solution

The fourth proportional to 1,290,169.26, 1,935,027.59 and 491,498.73 is: 737,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,169.26 : 1,935,027.59 = 491,498.73 : x
  2. Step 2: Convert to fraction form
    1,290,169.26/1,935,027.59 = 491,498.73/x
  3. Step 3: Cross multiply
    1,290,169.26x = 1,935,027.59 × 491,498.73
  4. Step 4: Simplify right side
    1,290,169.26x = 951,063,592,096.08
  5. Step 5: Solve for x
    x = 951,063,592,096.08/1,290,169.26
  6. Step 6: Final answer
    x = 737,161.88

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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.