Home / 1,298,198.32-1,945,556.82-1,010,357.51

Finding the Fourth Proportional to 1,298,198.32, 1,945,556.82 and 1,010,357.51

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Solution

The fourth proportional to 1,298,198.32, 1,945,556.82 and 1,010,357.51 is: 1,514,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,198.32 : 1,945,556.82 = 1,010,357.51 : x
  2. Step 2: Convert to fraction form
    1,298,198.32/1,945,556.82 = 1,010,357.51/x
  3. Step 3: Cross multiply
    1,298,198.32x = 1,945,556.82 × 1,010,357.51
  4. Step 4: Simplify right side
    1,298,198.32x = 1,965,707,947,442.53
  5. Step 5: Solve for x
    x = 1,965,707,947,442.53/1,298,198.32
  6. Step 6: Final answer
    x = 1,514,181.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.