Home / 814,392.05-1,123,995.92-451,932.33

Finding the Fourth Proportional to 814,392.05, 1,123,995.92 and 451,932.33

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Solution

The fourth proportional to 814,392.05, 1,123,995.92 and 451,932.33 is: 623,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,392.05 : 1,123,995.92 = 451,932.33 : x
  2. Step 2: Convert to fraction form
    814,392.05/1,123,995.92 = 451,932.33/x
  3. Step 3: Cross multiply
    814,392.05x = 1,123,995.92 × 451,932.33
  4. Step 4: Simplify right side
    814,392.05x = 507,970,092,776.43
  5. Step 5: Solve for x
    x = 507,970,092,776.43/814,392.05
  6. Step 6: Final answer
    x = 623,741.47

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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.