Home / 1,081,429.27-1,622,126.07-323,272.51

Finding the Fourth Proportional to 1,081,429.27, 1,622,126.07 and 323,272.51

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Solution

The fourth proportional to 1,081,429.27, 1,622,126.07 and 323,272.51 is: 484,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,429.27 : 1,622,126.07 = 323,272.51 : x
  2. Step 2: Convert to fraction form
    1,081,429.27/1,622,126.07 = 323,272.51/x
  3. Step 3: Cross multiply
    1,081,429.27x = 1,622,126.07 × 323,272.51
  4. Step 4: Simplify right side
    1,081,429.27x = 524,388,766,185.34
  5. Step 5: Solve for x
    x = 524,388,766,185.34/1,081,429.27
  6. Step 6: Final answer
    x = 484,903.43

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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.