Home / 435,728.35-652,380.31-222,035.57

Finding the Fourth Proportional to 435,728.35, 652,380.31 and 222,035.57

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Solution

The fourth proportional to 435,728.35, 652,380.31 and 222,035.57 is: 332,435.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,728.35 : 652,380.31 = 222,035.57 : x
  2. Step 2: Convert to fraction form
    435,728.35/652,380.31 = 222,035.57/x
  3. Step 3: Cross multiply
    435,728.35x = 652,380.31 × 222,035.57
  4. Step 4: Simplify right side
    435,728.35x = 144,851,633,987.63
  5. Step 5: Solve for x
    x = 144,851,633,987.63/435,728.35
  6. Step 6: Final answer
    x = 332,435.64

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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.