Home / 694,140.51-957,984.57-422,227.16

Finding the Fourth Proportional to 694,140.51, 957,984.57 and 422,227.16

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Solution

The fourth proportional to 694,140.51, 957,984.57 and 422,227.16 is: 582,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,140.51 : 957,984.57 = 422,227.16 : x
  2. Step 2: Convert to fraction form
    694,140.51/957,984.57 = 422,227.16/x
  3. Step 3: Cross multiply
    694,140.51x = 957,984.57 × 422,227.16
  4. Step 4: Simplify right side
    694,140.51x = 404,487,099,525.00
  5. Step 5: Solve for x
    x = 404,487,099,525.00/694,140.51
  6. Step 6: Final answer
    x = 582,716.46

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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.