Home / 432,267.58-648,401.37-221,771.26

Finding the Fourth Proportional to 432,267.58, 648,401.37 and 221,771.26

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Solution

The fourth proportional to 432,267.58, 648,401.37 and 221,771.26 is: 332,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,267.58 : 648,401.37 = 221,771.26 : x
  2. Step 2: Convert to fraction form
    432,267.58/648,401.37 = 221,771.26/x
  3. Step 3: Cross multiply
    432,267.58x = 648,401.37 × 221,771.26
  4. Step 4: Simplify right side
    432,267.58x = 143,796,787,189.62
  5. Step 5: Solve for x
    x = 143,796,787,189.62/432,267.58
  6. Step 6: Final answer
    x = 332,656.89

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Similar ratio
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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.