Home / 454,416.09-627,057.33-263,441.78

Finding the Fourth Proportional to 454,416.09, 627,057.33 and 263,441.78

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Solution

The fourth proportional to 454,416.09, 627,057.33 and 263,441.78 is: 363,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,416.09 : 627,057.33 = 263,441.78 : x
  2. Step 2: Convert to fraction form
    454,416.09/627,057.33 = 263,441.78/x
  3. Step 3: Cross multiply
    454,416.09x = 627,057.33 × 263,441.78
  4. Step 4: Simplify right side
    454,416.09x = 165,193,099,177.25
  5. Step 5: Solve for x
    x = 165,193,099,177.25/454,416.09
  6. Step 6: Final answer
    x = 363,528.28

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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.