Home / 1,321,150.26-1,823,196.69-717,538.26

Finding the Fourth Proportional to 1,321,150.26, 1,823,196.69 and 717,538.26

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Solution

The fourth proportional to 1,321,150.26, 1,823,196.69 and 717,538.26 is: 990,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,150.26 : 1,823,196.69 = 717,538.26 : x
  2. Step 2: Convert to fraction form
    1,321,150.26/1,823,196.69 = 717,538.26/x
  3. Step 3: Cross multiply
    1,321,150.26x = 1,823,196.69 × 717,538.26
  4. Step 4: Simplify right side
    1,321,150.26x = 1,308,213,380,580.36
  5. Step 5: Solve for x
    x = 1,308,213,380,580.36/1,321,150.26
  6. Step 6: Final answer
    x = 990,207.87

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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.