Home / 1,321,151.26-1,823,198.07-717,539.26

Finding the Fourth Proportional to 1,321,151.26, 1,823,198.07 and 717,539.26

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Solution

The fourth proportional to 1,321,151.26, 1,823,198.07 and 717,539.26 is: 990,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,151.26 : 1,823,198.07 = 717,539.26 : x
  2. Step 2: Convert to fraction form
    1,321,151.26/1,823,198.07 = 717,539.26/x
  3. Step 3: Cross multiply
    1,321,151.26x = 1,823,198.07 × 717,539.26
  4. Step 4: Simplify right side
    1,321,151.26x = 1,308,216,193,981.23
  5. Step 5: Solve for x
    x = 1,308,216,193,981.23/1,321,151.26
  6. Step 6: Final answer
    x = 990,209.25

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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.