Home / 447,949.22-671,915.54-110,990.69

Finding the Fourth Proportional to 447,949.22, 671,915.54 and 110,990.69

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Solution

The fourth proportional to 447,949.22, 671,915.54 and 110,990.69 is: 166,483.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,949.22 : 671,915.54 = 110,990.69 : x
  2. Step 2: Convert to fraction form
    447,949.22/671,915.54 = 110,990.69/x
  3. Step 3: Cross multiply
    447,949.22x = 671,915.54 × 110,990.69
  4. Step 4: Simplify right side
    447,949.22x = 74,576,365,491.79
  5. Step 5: Solve for x
    x = 74,576,365,491.79/447,949.22
  6. Step 6: Final answer
    x = 166,483.97

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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.