Home / 671,488.20-1,006,940.70-222,035.40

Finding the Fourth Proportional to 671,488.20, 1,006,940.70 and 222,035.40

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Solution

The fourth proportional to 671,488.20, 1,006,940.70 and 222,035.40 is: 332,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,488.20 : 1,006,940.70 = 222,035.40 : x
  2. Step 2: Convert to fraction form
    671,488.20/1,006,940.70 = 222,035.40/x
  3. Step 3: Cross multiply
    671,488.20x = 1,006,940.70 × 222,035.40
  4. Step 4: Simplify right side
    671,488.20x = 223,576,481,100.78
  5. Step 5: Solve for x
    x = 223,576,481,100.78/671,488.20
  6. Step 6: Final answer
    x = 332,956.68

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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.