Home / 1,322,553.64-1,825,458.80-813,711.64

Finding the Fourth Proportional to 1,322,553.64, 1,825,458.80 and 813,711.64

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Solution

The fourth proportional to 1,322,553.64, 1,825,458.80 and 813,711.64 is: 1,123,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,553.64 : 1,825,458.80 = 813,711.64 : x
  2. Step 2: Convert to fraction form
    1,322,553.64/1,825,458.80 = 813,711.64/x
  3. Step 3: Cross multiply
    1,322,553.64x = 1,825,458.80 × 813,711.64
  4. Step 4: Simplify right side
    1,322,553.64x = 1,485,397,073,900.43
  5. Step 5: Solve for x
    x = 1,485,397,073,900.43/1,322,553.64
  6. Step 6: Final answer
    x = 1,123,128.04

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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.