Home / 444,623.40-666,445.77-219,650.76

Finding the Fourth Proportional to 444,623.40, 666,445.77 and 219,650.76

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Solution

The fourth proportional to 444,623.40, 666,445.77 and 219,650.76 is: 329,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,623.40 : 666,445.77 = 219,650.76 : x
  2. Step 2: Convert to fraction form
    444,623.40/666,445.77 = 219,650.76/x
  3. Step 3: Cross multiply
    444,623.40x = 666,445.77 × 219,650.76
  4. Step 4: Simplify right side
    444,623.40x = 146,385,319,879.29
  5. Step 5: Solve for x
    x = 146,385,319,879.29/444,623.40
  6. Step 6: Final answer
    x = 329,234.40

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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.