Home / 579,195.12-799,288.20-352,840.62

Finding the Fourth Proportional to 579,195.12, 799,288.20 and 352,840.62

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Solution

The fourth proportional to 579,195.12, 799,288.20 and 352,840.62 is: 486,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,195.12 : 799,288.20 = 352,840.62 : x
  2. Step 2: Convert to fraction form
    579,195.12/799,288.20 = 352,840.62/x
  3. Step 3: Cross multiply
    579,195.12x = 799,288.20 × 352,840.62
  4. Step 4: Simplify right side
    579,195.12x = 282,021,344,046.68
  5. Step 5: Solve for x
    x = 282,021,344,046.68/579,195.12
  6. Step 6: Final answer
    x = 486,919.41

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.