Home / 619,519.07-929,278.67-220,175.61

Finding the Fourth Proportional to 619,519.07, 929,278.67 and 220,175.61

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Solution

The fourth proportional to 619,519.07, 929,278.67 and 220,175.61 is: 330,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,519.07 : 929,278.67 = 220,175.61 : x
  2. Step 2: Convert to fraction form
    619,519.07/929,278.67 = 220,175.61/x
  3. Step 3: Cross multiply
    619,519.07x = 929,278.67 × 220,175.61
  4. Step 4: Simplify right side
    619,519.07x = 204,604,493,441.57
  5. Step 5: Solve for x
    x = 204,604,493,441.57/619,519.07
  6. Step 6: Final answer
    x = 330,263.43

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Double scale
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Similar ratio
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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.