Home / 813,834.94-1,123,105.70-451,274.08

Finding the Fourth Proportional to 813,834.94, 1,123,105.70 and 451,274.08

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Solution

The fourth proportional to 813,834.94, 1,123,105.70 and 451,274.08 is: 622,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,834.94 : 1,123,105.70 = 451,274.08 : x
  2. Step 2: Convert to fraction form
    813,834.94/1,123,105.70 = 451,274.08/x
  3. Step 3: Cross multiply
    813,834.94x = 1,123,105.70 × 451,274.08
  4. Step 4: Simplify right side
    813,834.94x = 506,828,491,510.26
  5. Step 5: Solve for x
    x = 506,828,491,510.26/813,834.94
  6. Step 6: Final answer
    x = 622,765.71

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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.