Home / 1,081,564.29-1,622,344.39-407,796.74

Finding the Fourth Proportional to 1,081,564.29, 1,622,344.39 and 407,796.74

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Solution

The fourth proportional to 1,081,564.29, 1,622,344.39 and 407,796.74 is: 611,694.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,564.29 : 1,622,344.39 = 407,796.74 : x
  2. Step 2: Convert to fraction form
    1,081,564.29/1,622,344.39 = 407,796.74/x
  3. Step 3: Cross multiply
    1,081,564.29x = 1,622,344.39 × 407,796.74
  4. Step 4: Simplify right side
    1,081,564.29x = 661,586,743,248.58
  5. Step 5: Solve for x
    x = 661,586,743,248.58/1,081,564.29
  6. Step 6: Final answer
    x = 611,694.33

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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.