Home / 1,081,593.71-1,621,246.49-407,383.31

Finding the Fourth Proportional to 1,081,593.71, 1,621,246.49 and 407,383.31

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Solution

The fourth proportional to 1,081,593.71, 1,621,246.49 and 407,383.31 is: 610,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,593.71 : 1,621,246.49 = 407,383.31 : x
  2. Step 2: Convert to fraction form
    1,081,593.71/1,621,246.49 = 407,383.31/x
  3. Step 3: Cross multiply
    1,081,593.71x = 1,621,246.49 × 407,383.31
  4. Step 4: Simplify right side
    1,081,593.71x = 660,468,758,137.99
  5. Step 5: Solve for x
    x = 660,468,758,137.99/1,081,593.71
  6. Step 6: Final answer
    x = 610,644.04

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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.