Home / 1,080,940.82-1,621,478.09-361,347.27

Finding the Fourth Proportional to 1,080,940.82, 1,621,478.09 and 361,347.27

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Solution

The fourth proportional to 1,080,940.82, 1,621,478.09 and 361,347.27 is: 542,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,940.82 : 1,621,478.09 = 361,347.27 : x
  2. Step 2: Convert to fraction form
    1,080,940.82/1,621,478.09 = 361,347.27/x
  3. Step 3: Cross multiply
    1,080,940.82x = 1,621,478.09 × 361,347.27
  4. Step 4: Simplify right side
    1,080,940.82x = 585,916,681,186.31
  5. Step 5: Solve for x
    x = 585,916,681,186.31/1,080,940.82
  6. Step 6: Final answer
    x = 542,043.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.