Home / 1,057,858.64-1,587,418.14-383,992.38

Finding the Fourth Proportional to 1,057,858.64, 1,587,418.14 and 383,992.38

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Solution

The fourth proportional to 1,057,858.64, 1,587,418.14 and 383,992.38 is: 576,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,858.64 : 1,587,418.14 = 383,992.38 : x
  2. Step 2: Convert to fraction form
    1,057,858.64/1,587,418.14 = 383,992.38/x
  3. Step 3: Cross multiply
    1,057,858.64x = 1,587,418.14 × 383,992.38
  4. Step 4: Simplify right side
    1,057,858.64x = 609,556,469,633.77
  5. Step 5: Solve for x
    x = 609,556,469,633.77/1,057,858.64
  6. Step 6: Final answer
    x = 576,217.32

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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.