Home / 694,878.36-958,922.94-393,072.36

Finding the Fourth Proportional to 694,878.36, 958,922.94 and 393,072.36

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Solution

The fourth proportional to 694,878.36, 958,922.94 and 393,072.36 is: 542,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,878.36 : 958,922.94 = 393,072.36 : x
  2. Step 2: Convert to fraction form
    694,878.36/958,922.94 = 393,072.36/x
  3. Step 3: Cross multiply
    694,878.36x = 958,922.94 × 393,072.36
  4. Step 4: Simplify right side
    694,878.36x = 376,926,103,083.94
  5. Step 5: Solve for x
    x = 376,926,103,083.94/694,878.36
  6. Step 6: Final answer
    x = 542,434.65

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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.