Home / 377,635.20-521,093.82-222,576.36

Finding the Fourth Proportional to 377,635.20, 521,093.82 and 222,576.36

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Solution

The fourth proportional to 377,635.20, 521,093.82 and 222,576.36 is: 307,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,635.20 : 521,093.82 = 222,576.36 : x
  2. Step 2: Convert to fraction form
    377,635.20/521,093.82 = 222,576.36/x
  3. Step 3: Cross multiply
    377,635.20x = 521,093.82 × 222,576.36
  4. Step 4: Simplify right side
    377,635.20x = 115,983,165,674.10
  5. Step 5: Solve for x
    x = 115,983,165,674.10/377,635.20
  6. Step 6: Final answer
    x = 307,130.18

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1.5x scale

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.