Home / 443,616.24-665,897.94-191,021.79

Finding the Fourth Proportional to 443,616.24, 665,897.94 and 191,021.79

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Solution

The fourth proportional to 443,616.24, 665,897.94 and 191,021.79 is: 286,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,616.24 : 665,897.94 = 191,021.79 : x
  2. Step 2: Convert to fraction form
    443,616.24/665,897.94 = 191,021.79/x
  3. Step 3: Cross multiply
    443,616.24x = 665,897.94 × 191,021.79
  4. Step 4: Simplify right side
    443,616.24x = 127,201,016,456.11
  5. Step 5: Solve for x
    x = 127,201,016,456.11/443,616.24
  6. Step 6: Final answer
    x = 286,736.61

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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.