Home / 675,488.67-1,013,245.30-226,125.78

Finding the Fourth Proportional to 675,488.67, 1,013,245.30 and 226,125.78

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Solution

The fourth proportional to 675,488.67, 1,013,245.30 and 226,125.78 is: 339,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,488.67 : 1,013,245.30 = 226,125.78 : x
  2. Step 2: Convert to fraction form
    675,488.67/1,013,245.30 = 226,125.78/x
  3. Step 3: Cross multiply
    675,488.67x = 1,013,245.30 × 226,125.78
  4. Step 4: Simplify right side
    675,488.67x = 229,120,880,276.82
  5. Step 5: Solve for x
    x = 229,120,880,276.82/675,488.67
  6. Step 6: Final answer
    x = 339,192.78

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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.