Home / 694,965.07-1,043,121.68-335,388.97

Finding the Fourth Proportional to 694,965.07, 1,043,121.68 and 335,388.97

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Solution

The fourth proportional to 694,965.07, 1,043,121.68 and 335,388.97 is: 503,408.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,965.07 : 1,043,121.68 = 335,388.97 : x
  2. Step 2: Convert to fraction form
    694,965.07/1,043,121.68 = 335,388.97/x
  3. Step 3: Cross multiply
    694,965.07x = 1,043,121.68 × 335,388.97
  4. Step 4: Simplify right side
    694,965.07x = 349,851,506,724.54
  5. Step 5: Solve for x
    x = 349,851,506,724.54/694,965.07
  6. Step 6: Final answer
    x = 503,408.77

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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.