Home / 619,624.35-929,530.33-220,170.15

Finding the Fourth Proportional to 619,624.35, 929,530.33 and 220,170.15

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Solution

The fourth proportional to 619,624.35, 929,530.33 and 220,170.15 is: 330,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,624.35 : 929,530.33 = 220,170.15 : x
  2. Step 2: Convert to fraction form
    619,624.35/929,530.33 = 220,170.15/x
  3. Step 3: Cross multiply
    619,624.35x = 929,530.33 × 220,170.15
  4. Step 4: Simplify right side
    619,624.35x = 204,654,831,635.22
  5. Step 5: Solve for x
    x = 204,654,831,635.22/619,624.35
  6. Step 6: Final answer
    x = 330,288.56

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1.5x scale

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.