Home / 1,321,584.06-1,823,798.79-717,976.38

Finding the Fourth Proportional to 1,321,584.06, 1,823,798.79 and 717,976.38

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Solution

The fourth proportional to 1,321,584.06, 1,823,798.79 and 717,976.38 is: 990,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,584.06 : 1,823,798.79 = 717,976.38 : x
  2. Step 2: Convert to fraction form
    1,321,584.06/1,823,798.79 = 717,976.38/x
  3. Step 3: Cross multiply
    1,321,584.06x = 1,823,798.79 × 717,976.38
  4. Step 4: Simplify right side
    1,321,584.06x = 1,309,444,453,092.58
  5. Step 5: Solve for x
    x = 1,309,444,453,092.58/1,321,584.06
  6. Step 6: Final answer
    x = 990,814.35

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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.