Home / 694,039.80-957,777.51-403,721.04

Finding the Fourth Proportional to 694,039.80, 957,777.51 and 403,721.04

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Solution

The fourth proportional to 694,039.80, 957,777.51 and 403,721.04 is: 557,136.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,039.80 : 957,777.51 = 403,721.04 : x
  2. Step 2: Convert to fraction form
    694,039.80/957,777.51 = 403,721.04/x
  3. Step 3: Cross multiply
    694,039.80x = 957,777.51 × 403,721.04
  4. Step 4: Simplify right side
    694,039.80x = 386,674,932,425.81
  5. Step 5: Solve for x
    x = 386,674,932,425.81/694,039.80
  6. Step 6: Final answer
    x = 557,136.54

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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.