Home / 814,030.92-1,123,431.68-451,571.57

Finding the Fourth Proportional to 814,030.92, 1,123,431.68 and 451,571.57

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Solution

The fourth proportional to 814,030.92, 1,123,431.68 and 451,571.57 is: 623,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,030.92 : 1,123,431.68 = 451,571.57 : x
  2. Step 2: Convert to fraction form
    814,030.92/1,123,431.68 = 451,571.57/x
  3. Step 3: Cross multiply
    814,030.92x = 1,123,431.68 × 451,571.57
  4. Step 4: Simplify right side
    814,030.92x = 507,309,807,249.98
  5. Step 5: Solve for x
    x = 507,309,807,249.98/814,030.92
  6. Step 6: Final answer
    x = 623,207.05

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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.