Home / 1,081,218.96-1,622,092.92-761,993.68

Finding the Fourth Proportional to 1,081,218.96, 1,622,092.92 and 761,993.68

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Solution

The fourth proportional to 1,081,218.96, 1,622,092.92 and 761,993.68 is: 1,143,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,218.96 : 1,622,092.92 = 761,993.68 : x
  2. Step 2: Convert to fraction form
    1,081,218.96/1,622,092.92 = 761,993.68/x
  3. Step 3: Cross multiply
    1,081,218.96x = 1,622,092.92 × 761,993.68
  4. Step 4: Simplify right side
    1,081,218.96x = 1,236,024,553,412.75
  5. Step 5: Solve for x
    x = 1,236,024,553,412.75/1,081,218.96
  6. Step 6: Final answer
    x = 1,143,176.91

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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.