Home / 432,267.83-648,401.74-221,771.51

Finding the Fourth Proportional to 432,267.83, 648,401.74 and 221,771.51

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Solution

The fourth proportional to 432,267.83, 648,401.74 and 221,771.51 is: 332,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,267.83 : 648,401.74 = 221,771.51 : x
  2. Step 2: Convert to fraction form
    432,267.83/648,401.74 = 221,771.51/x
  3. Step 3: Cross multiply
    432,267.83x = 648,401.74 × 221,771.51
  4. Step 4: Simplify right side
    432,267.83x = 143,797,032,966.43
  5. Step 5: Solve for x
    x = 143,797,032,966.43/432,267.83
  6. Step 6: Final answer
    x = 332,657.26

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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.