Home / 382,481.04-527,816.34-212,711.52

Finding the Fourth Proportional to 382,481.04, 527,816.34 and 212,711.52

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Solution

The fourth proportional to 382,481.04, 527,816.34 and 212,711.52 is: 293,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,481.04 : 527,816.34 = 212,711.52 : x
  2. Step 2: Convert to fraction form
    382,481.04/527,816.34 = 212,711.52/x
  3. Step 3: Cross multiply
    382,481.04x = 527,816.34 × 212,711.52
  4. Step 4: Simplify right side
    382,481.04x = 112,272,615,962.24
  5. Step 5: Solve for x
    x = 112,272,615,962.24/382,481.04
  6. Step 6: Final answer
    x = 293,537.73

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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.