Home / 868,651.44-1,301,183.68-644,265.24

Finding the Fourth Proportional to 868,651.44, 1,301,183.68 and 644,265.24

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Solution

The fourth proportional to 868,651.44, 1,301,183.68 and 644,265.24 is: 965,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,651.44 : 1,301,183.68 = 644,265.24 : x
  2. Step 2: Convert to fraction form
    868,651.44/1,301,183.68 = 644,265.24/x
  3. Step 3: Cross multiply
    868,651.44x = 1,301,183.68 × 644,265.24
  4. Step 4: Simplify right side
    868,651.44x = 838,307,415,879.28
  5. Step 5: Solve for x
    x = 838,307,415,879.28/868,651.44
  6. Step 6: Final answer
    x = 965,067.66

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Double scale
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1.5x scale

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.