Home / 552,338.14-762,069.41-331,485.72

Finding the Fourth Proportional to 552,338.14, 762,069.41 and 331,485.72

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Solution

The fourth proportional to 552,338.14, 762,069.41 and 331,485.72 is: 457,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,338.14 : 762,069.41 = 331,485.72 : x
  2. Step 2: Convert to fraction form
    552,338.14/762,069.41 = 331,485.72/x
  3. Step 3: Cross multiply
    552,338.14x = 762,069.41 × 331,485.72
  4. Step 4: Simplify right side
    552,338.14x = 252,615,125,656.32
  5. Step 5: Solve for x
    x = 252,615,125,656.32/552,338.14
  6. Step 6: Final answer
    x = 457,355.93

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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.