Home / 814,380.44-1,123,851.78-451,828.08

Finding the Fourth Proportional to 814,380.44, 1,123,851.78 and 451,828.08

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Solution

The fourth proportional to 814,380.44, 1,123,851.78 and 451,828.08 is: 623,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,380.44 : 1,123,851.78 = 451,828.08 : x
  2. Step 2: Convert to fraction form
    814,380.44/1,123,851.78 = 451,828.08/x
  3. Step 3: Cross multiply
    814,380.44x = 1,123,851.78 × 451,828.08
  4. Step 4: Simplify right side
    814,380.44x = 507,787,791,961.98
  5. Step 5: Solve for x
    x = 507,787,791,961.98/814,380.44
  6. Step 6: Final answer
    x = 623,526.51

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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.