Home / 814,076.54-1,123,408.89-451,441.88

Finding the Fourth Proportional to 814,076.54, 1,123,408.89 and 451,441.88

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Solution

The fourth proportional to 814,076.54, 1,123,408.89 and 451,441.88 is: 622,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,076.54 : 1,123,408.89 = 451,441.88 : x
  2. Step 2: Convert to fraction form
    814,076.54/1,123,408.89 = 451,441.88/x
  3. Step 3: Cross multiply
    814,076.54x = 1,123,408.89 × 451,441.88
  4. Step 4: Simplify right side
    814,076.54x = 507,153,821,310.31
  5. Step 5: Solve for x
    x = 507,153,821,310.31/814,076.54
  6. Step 6: Final answer
    x = 622,980.51

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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.