Home / 1,081,777.72-1,622,067.71-442,530.60

Finding the Fourth Proportional to 1,081,777.72, 1,622,067.71 and 442,530.60

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Solution

The fourth proportional to 1,081,777.72, 1,622,067.71 and 442,530.60 is: 663,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,777.72 : 1,622,067.71 = 442,530.60 : x
  2. Step 2: Convert to fraction form
    1,081,777.72/1,622,067.71 = 442,530.60/x
  3. Step 3: Cross multiply
    1,081,777.72x = 1,622,067.71 × 442,530.60
  4. Step 4: Simplify right side
    1,081,777.72x = 717,814,604,412.87
  5. Step 5: Solve for x
    x = 717,814,604,412.87/1,081,777.72
  6. Step 6: Final answer
    x = 663,550.92

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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.