Home / 383,179.30-528,787.07-222,127.71

Finding the Fourth Proportional to 383,179.30, 528,787.07 and 222,127.71

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Solution

The fourth proportional to 383,179.30, 528,787.07 and 222,127.71 is: 306,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,179.30 : 528,787.07 = 222,127.71 : x
  2. Step 2: Convert to fraction form
    383,179.30/528,787.07 = 222,127.71/x
  3. Step 3: Cross multiply
    383,179.30x = 528,787.07 × 222,127.71
  4. Step 4: Simplify right side
    383,179.30x = 117,458,260,936.71
  5. Step 5: Solve for x
    x = 117,458,260,936.71/383,179.30
  6. Step 6: Final answer
    x = 306,536.03

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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.