Home / 993,199.05-1,370,519.82-557,516.58

Finding the Fourth Proportional to 993,199.05, 1,370,519.82 and 557,516.58

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Solution

The fourth proportional to 993,199.05, 1,370,519.82 and 557,516.58 is: 769,319.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,199.05 : 1,370,519.82 = 557,516.58 : x
  2. Step 2: Convert to fraction form
    993,199.05/1,370,519.82 = 557,516.58/x
  3. Step 3: Cross multiply
    993,199.05x = 1,370,519.82 × 557,516.58
  4. Step 4: Simplify right side
    993,199.05x = 764,087,522,868.62
  5. Step 5: Solve for x
    x = 764,087,522,868.62/993,199.05
  6. Step 6: Final answer
    x = 769,319.63

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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.