Home / 813,863.32-1,123,144.85-451,302.46

Finding the Fourth Proportional to 813,863.32, 1,123,144.85 and 451,302.46

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Solution

The fourth proportional to 813,863.32, 1,123,144.85 and 451,302.46 is: 622,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,863.32 : 1,123,144.85 = 451,302.46 : x
  2. Step 2: Convert to fraction form
    813,863.32/1,123,144.85 = 451,302.46/x
  3. Step 3: Cross multiply
    813,863.32x = 1,123,144.85 × 451,302.46
  4. Step 4: Simplify right side
    813,863.32x = 506,878,032,061.73
  5. Step 5: Solve for x
    x = 506,878,032,061.73/813,863.32
  6. Step 6: Final answer
    x = 622,804.86

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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.