Home / 587,910.48-881,982.36-213,962.64

Finding the Fourth Proportional to 587,910.48, 881,982.36 and 213,962.64

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Solution

The fourth proportional to 587,910.48, 881,982.36 and 213,962.64 is: 320,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,910.48 : 881,982.36 = 213,962.64 : x
  2. Step 2: Convert to fraction form
    587,910.48/881,982.36 = 213,962.64/x
  3. Step 3: Cross multiply
    587,910.48x = 881,982.36 × 213,962.64
  4. Step 4: Simplify right side
    587,910.48x = 188,711,274,179.03
  5. Step 5: Solve for x
    x = 188,711,274,179.03/587,910.48
  6. Step 6: Final answer
    x = 320,986.41

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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.