Home / 823,651.44-1,136,605.77-479,497.22

Finding the Fourth Proportional to 823,651.44, 1,136,605.77 and 479,497.22

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Solution

The fourth proportional to 823,651.44, 1,136,605.77 and 479,497.22 is: 661,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,651.44 : 1,136,605.77 = 479,497.22 : x
  2. Step 2: Convert to fraction form
    823,651.44/1,136,605.77 = 479,497.22/x
  3. Step 3: Cross multiply
    823,651.44x = 1,136,605.77 × 479,497.22
  4. Step 4: Simplify right side
    823,651.44x = 544,999,305,530.20
  5. Step 5: Solve for x
    x = 544,999,305,530.20/823,651.44
  6. Step 6: Final answer
    x = 661,686.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.