Home / 990,362.38-1,366,705.67-582,481.42

Finding the Fourth Proportional to 990,362.38, 1,366,705.67 and 582,481.42

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Solution

The fourth proportional to 990,362.38, 1,366,705.67 and 582,481.42 is: 803,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,362.38 : 1,366,705.67 = 582,481.42 : x
  2. Step 2: Convert to fraction form
    990,362.38/1,366,705.67 = 582,481.42/x
  3. Step 3: Cross multiply
    990,362.38x = 1,366,705.67 × 582,481.42
  4. Step 4: Simplify right side
    990,362.38x = 796,080,659,383.65
  5. Step 5: Solve for x
    x = 796,080,659,383.65/990,362.38
  6. Step 6: Final answer
    x = 803,827.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.