Home / 821,850.44-1,134,155.14-459,274.30

Finding the Fourth Proportional to 821,850.44, 1,134,155.14 and 459,274.30

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Solution

The fourth proportional to 821,850.44, 1,134,155.14 and 459,274.30 is: 633,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,850.44 : 1,134,155.14 = 459,274.30 : x
  2. Step 2: Convert to fraction form
    821,850.44/1,134,155.14 = 459,274.30/x
  3. Step 3: Cross multiply
    821,850.44x = 1,134,155.14 × 459,274.30
  4. Step 4: Simplify right side
    821,850.44x = 520,888,308,855.48
  5. Step 5: Solve for x
    x = 520,888,308,855.48/821,850.44
  6. Step 6: Final answer
    x = 633,799.39

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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.