Home / 813,833.94-1,123,104.32-451,273.08

Finding the Fourth Proportional to 813,833.94, 1,123,104.32 and 451,273.08

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Solution

The fourth proportional to 813,833.94, 1,123,104.32 and 451,273.08 is: 622,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,833.94 : 1,123,104.32 = 451,273.08 : x
  2. Step 2: Convert to fraction form
    813,833.94/1,123,104.32 = 451,273.08/x
  3. Step 3: Cross multiply
    813,833.94x = 1,123,104.32 × 451,273.08
  4. Step 4: Simplify right side
    813,833.94x = 506,826,745,647.71
  5. Step 5: Solve for x
    x = 506,826,745,647.71/813,833.94
  6. Step 6: Final answer
    x = 622,764.33

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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.