Home / 813,844.23-1,123,118.46-451,283.37

Finding the Fourth Proportional to 813,844.23, 1,123,118.46 and 451,283.37

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Solution

The fourth proportional to 813,844.23, 1,123,118.46 and 451,283.37 is: 622,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,844.23 : 1,123,118.46 = 451,283.37 : x
  2. Step 2: Convert to fraction form
    813,844.23/1,123,118.46 = 451,283.37/x
  3. Step 3: Cross multiply
    813,844.23x = 1,123,118.46 × 451,283.37
  4. Step 4: Simplify right side
    813,844.23x = 506,844,683,538.01
  5. Step 5: Solve for x
    x = 506,844,683,538.01/813,844.23
  6. Step 6: Final answer
    x = 622,778.49

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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.