Home / 813,944.70-1,123,222.41-451,367.64

Finding the Fourth Proportional to 813,944.70, 1,123,222.41 and 451,367.64

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Solution

The fourth proportional to 813,944.70, 1,123,222.41 and 451,367.64 is: 622,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,944.70 : 1,123,222.41 = 451,367.64 : x
  2. Step 2: Convert to fraction form
    813,944.70/1,123,222.41 = 451,367.64/x
  3. Step 3: Cross multiply
    813,944.70x = 1,123,222.41 × 451,367.64
  4. Step 4: Simplify right side
    813,944.70x = 506,986,248,396.81
  5. Step 5: Solve for x
    x = 506,986,248,396.81/813,944.70
  6. Step 6: Final answer
    x = 622,875.54

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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.