Home / 814,336.56-1,123,785.77-451,760.43

Finding the Fourth Proportional to 814,336.56, 1,123,785.77 and 451,760.43

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Solution

The fourth proportional to 814,336.56, 1,123,785.77 and 451,760.43 is: 623,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,336.56 : 1,123,785.77 = 451,760.43 : x
  2. Step 2: Convert to fraction form
    814,336.56/1,123,785.77 = 451,760.43/x
  3. Step 3: Cross multiply
    814,336.56x = 1,123,785.77 × 451,760.43
  4. Step 4: Simplify right side
    814,336.56x = 507,681,940,424.28
  5. Step 5: Solve for x
    x = 507,681,940,424.28/814,336.56
  6. Step 6: Final answer
    x = 623,430.12

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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.