Home / 674,745.49-1,012,170.43-225,467.92

Finding the Fourth Proportional to 674,745.49, 1,012,170.43 and 225,467.92

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Solution

The fourth proportional to 674,745.49, 1,012,170.43 and 225,467.92 is: 338,219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,745.49 : 1,012,170.43 = 225,467.92 : x
  2. Step 2: Convert to fraction form
    674,745.49/1,012,170.43 = 225,467.92/x
  3. Step 3: Cross multiply
    674,745.49x = 1,012,170.43 × 225,467.92
  4. Step 4: Simplify right side
    674,745.49x = 228,211,963,084.65
  5. Step 5: Solve for x
    x = 228,211,963,084.65/674,745.49
  6. Step 6: Final answer
    x = 338,219.32

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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.