Home / 813,016.23-1,218,193.94-492,195.68

Finding the Fourth Proportional to 813,016.23, 1,218,193.94 and 492,195.68

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Solution

The fourth proportional to 813,016.23, 1,218,193.94 and 492,195.68 is: 737,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,016.23 : 1,218,193.94 = 492,195.68 : x
  2. Step 2: Convert to fraction form
    813,016.23/1,218,193.94 = 492,195.68/x
  3. Step 3: Cross multiply
    813,016.23x = 1,218,193.94 × 492,195.68
  4. Step 4: Simplify right side
    813,016.23x = 599,589,794,670.18
  5. Step 5: Solve for x
    x = 599,589,794,670.18/813,016.23
  6. Step 6: Final answer
    x = 737,488.10

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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.