Home / 377,523.12-521,084.04-222,609.48

Finding the Fourth Proportional to 377,523.12, 521,084.04 and 222,609.48

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Solution

The fourth proportional to 377,523.12, 521,084.04 and 222,609.48 is: 307,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,523.12 : 521,084.04 = 222,609.48 : x
  2. Step 2: Convert to fraction form
    377,523.12/521,084.04 = 222,609.48/x
  3. Step 3: Cross multiply
    377,523.12x = 521,084.04 × 222,609.48
  4. Step 4: Simplify right side
    377,523.12x = 115,998,247,180.70
  5. Step 5: Solve for x
    x = 115,998,247,180.70/377,523.12
  6. Step 6: Final answer
    x = 307,261.31

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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.