Home / 674,744.74-1,012,169.43-225,467.21

Finding the Fourth Proportional to 674,744.74, 1,012,169.43 and 225,467.21

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Solution

The fourth proportional to 674,744.74, 1,012,169.43 and 225,467.21 is: 338,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,744.74 : 1,012,169.43 = 225,467.21 : x
  2. Step 2: Convert to fraction form
    674,744.74/1,012,169.43 = 225,467.21/x
  3. Step 3: Cross multiply
    674,744.74x = 1,012,169.43 × 225,467.21
  4. Step 4: Simplify right side
    674,744.74x = 228,211,019,959.81
  5. Step 5: Solve for x
    x = 228,211,019,959.81/674,744.74
  6. Step 6: Final answer
    x = 338,218.30

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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.