Home / 1,321,192.98-1,823,236.29-717,585.30

Finding the Fourth Proportional to 1,321,192.98, 1,823,236.29 and 717,585.30

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Solution

The fourth proportional to 1,321,192.98, 1,823,236.29 and 717,585.30 is: 990,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,192.98 : 1,823,236.29 = 717,585.30 : x
  2. Step 2: Convert to fraction form
    1,321,192.98/1,823,236.29 = 717,585.30/x
  3. Step 3: Cross multiply
    1,321,192.98x = 1,823,236.29 × 717,585.30
  4. Step 4: Simplify right side
    1,321,192.98x = 1,308,327,560,130.54
  5. Step 5: Solve for x
    x = 1,308,327,560,130.54/1,321,192.98
  6. Step 6: Final answer
    x = 990,262.27

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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.