Home / 814,231.32-1,123,773.72-451,771.80

Finding the Fourth Proportional to 814,231.32, 1,123,773.72 and 451,771.80

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Solution

The fourth proportional to 814,231.32, 1,123,773.72 and 451,771.80 is: 623,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,231.32 : 1,123,773.72 = 451,771.80 : x
  2. Step 2: Convert to fraction form
    814,231.32/1,123,773.72 = 451,771.80/x
  3. Step 3: Cross multiply
    814,231.32x = 1,123,773.72 × 451,771.80
  4. Step 4: Simplify right side
    814,231.32x = 507,689,276,277.10
  5. Step 5: Solve for x
    x = 507,689,276,277.10/814,231.32
  6. Step 6: Final answer
    x = 623,519.71

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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.