Home / 1,356,212.65-2,034,396.88-491,835.75

Finding the Fourth Proportional to 1,356,212.65, 2,034,396.88 and 491,835.75

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Solution

The fourth proportional to 1,356,212.65, 2,034,396.88 and 491,835.75 is: 737,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,212.65 : 2,034,396.88 = 491,835.75 : x
  2. Step 2: Convert to fraction form
    1,356,212.65/2,034,396.88 = 491,835.75/x
  3. Step 3: Cross multiply
    1,356,212.65x = 2,034,396.88 × 491,835.75
  4. Step 4: Simplify right side
    1,356,212.65x = 1,000,589,115,272.46
  5. Step 5: Solve for x
    x = 1,000,589,115,272.46/1,356,212.65
  6. Step 6: Final answer
    x = 737,781.88

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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.