Home / 1,172,794.44-1,618,445.39-663,496.82

Finding the Fourth Proportional to 1,172,794.44, 1,618,445.39 and 663,496.82

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Solution

The fourth proportional to 1,172,794.44, 1,618,445.39 and 663,496.82 is: 915,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,794.44 : 1,618,445.39 = 663,496.82 : x
  2. Step 2: Convert to fraction form
    1,172,794.44/1,618,445.39 = 663,496.82/x
  3. Step 3: Cross multiply
    1,172,794.44x = 1,618,445.39 × 663,496.82
  4. Step 4: Simplify right side
    1,172,794.44x = 1,073,833,361,516.43
  5. Step 5: Solve for x
    x = 1,073,833,361,516.43/1,172,794.44
  6. Step 6: Final answer
    x = 915,619.42

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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.