Home / 483,420.51-667,135.53-268,577.73

Finding the Fourth Proportional to 483,420.51, 667,135.53 and 268,577.73

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Solution

The fourth proportional to 483,420.51, 667,135.53 and 268,577.73 is: 370,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,420.51 : 667,135.53 = 268,577.73 : x
  2. Step 2: Convert to fraction form
    483,420.51/667,135.53 = 268,577.73/x
  3. Step 3: Cross multiply
    483,420.51x = 667,135.53 × 268,577.73
  4. Step 4: Simplify right side
    483,420.51x = 179,177,746,249.75
  5. Step 5: Solve for x
    x = 179,177,746,249.75/483,420.51
  6. Step 6: Final answer
    x = 370,645.73

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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.