Home / 374,977.20-517,388.40-222,063.44

Finding the Fourth Proportional to 374,977.20, 517,388.40 and 222,063.44

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Solution

The fourth proportional to 374,977.20, 517,388.40 and 222,063.44 is: 306,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,977.20 : 517,388.40 = 222,063.44 : x
  2. Step 2: Convert to fraction form
    374,977.20/517,388.40 = 222,063.44/x
  3. Step 3: Cross multiply
    374,977.20x = 517,388.40 × 222,063.44
  4. Step 4: Simplify right side
    374,977.20x = 114,893,047,920.10
  5. Step 5: Solve for x
    x = 114,893,047,920.10/374,977.20
  6. Step 6: Final answer
    x = 306,400.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.