Home / 382,388.16-527,698.40-239,229.60

Finding the Fourth Proportional to 382,388.16, 527,698.40 and 239,229.60

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Solution

The fourth proportional to 382,388.16, 527,698.40 and 239,229.60 is: 330,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,388.16 : 527,698.40 = 239,229.60 : x
  2. Step 2: Convert to fraction form
    382,388.16/527,698.40 = 239,229.60/x
  3. Step 3: Cross multiply
    382,388.16x = 527,698.40 × 239,229.60
  4. Step 4: Simplify right side
    382,388.16x = 126,241,077,152.64
  5. Step 5: Solve for x
    x = 126,241,077,152.64/382,388.16
  6. Step 6: Final answer
    x = 330,138.56

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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.