Home / 814,339.56-1,123,789.92-451,763.44

Finding the Fourth Proportional to 814,339.56, 1,123,789.92 and 451,763.44

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Solution

The fourth proportional to 814,339.56, 1,123,789.92 and 451,763.44 is: 623,434.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,339.56 : 1,123,789.92 = 451,763.44 : x
  2. Step 2: Convert to fraction form
    814,339.56/1,123,789.92 = 451,763.44/x
  3. Step 3: Cross multiply
    814,339.56x = 1,123,789.92 × 451,763.44
  4. Step 4: Simplify right side
    814,339.56x = 507,687,200,096.53
  5. Step 5: Solve for x
    x = 507,687,200,096.53/814,339.56
  6. Step 6: Final answer
    x = 623,434.28

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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.