Home / 813,824.34-1,123,078.14-451,252.68

Finding the Fourth Proportional to 813,824.34, 1,123,078.14 and 451,252.68

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Solution

The fourth proportional to 813,824.34, 1,123,078.14 and 451,252.68 is: 622,729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,824.34 : 1,123,078.14 = 451,252.68 : x
  2. Step 2: Convert to fraction form
    813,824.34/1,123,078.14 = 451,252.68/x
  3. Step 3: Cross multiply
    813,824.34x = 1,123,078.14 × 451,252.68
  4. Step 4: Simplify right side
    813,824.34x = 506,792,020,524.42
  5. Step 5: Solve for x
    x = 506,792,020,524.42/813,824.34
  6. Step 6: Final answer
    x = 622,729.00

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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.