Home / 814,147.44-1,123,592.40-451,687.92

Finding the Fourth Proportional to 814,147.44, 1,123,592.40 and 451,687.92

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Solution

The fourth proportional to 814,147.44, 1,123,592.40 and 451,687.92 is: 623,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,147.44 : 1,123,592.40 = 451,687.92 : x
  2. Step 2: Convert to fraction form
    814,147.44/1,123,592.40 = 451,687.92/x
  3. Step 3: Cross multiply
    814,147.44x = 1,123,592.40 × 451,687.92
  4. Step 4: Simplify right side
    814,147.44x = 507,513,114,083.81
  5. Step 5: Solve for x
    x = 507,513,114,083.81/814,147.44
  6. Step 6: Final answer
    x = 623,367.57

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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.