Home / 869,883.36-1,304,511.88-301,109.92

Finding the Fourth Proportional to 869,883.36, 1,304,511.88 and 301,109.92

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Solution

The fourth proportional to 869,883.36, 1,304,511.88 and 301,109.92 is: 451,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,883.36 : 1,304,511.88 = 301,109.92 : x
  2. Step 2: Convert to fraction form
    869,883.36/1,304,511.88 = 301,109.92/x
  3. Step 3: Cross multiply
    869,883.36x = 1,304,511.88 × 301,109.92
  4. Step 4: Simplify right side
    869,883.36x = 392,801,467,825.85
  5. Step 5: Solve for x
    x = 392,801,467,825.85/869,883.36
  6. Step 6: Final answer
    x = 451,556.48

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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.