Home / 579,515.96-799,734.02-324,850.76

Finding the Fourth Proportional to 579,515.96, 799,734.02 and 324,850.76

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Solution

The fourth proportional to 579,515.96, 799,734.02 and 324,850.76 is: 448,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,515.96 : 799,734.02 = 324,850.76 : x
  2. Step 2: Convert to fraction form
    579,515.96/799,734.02 = 324,850.76/x
  3. Step 3: Cross multiply
    579,515.96x = 799,734.02 × 324,850.76
  4. Step 4: Simplify right side
    579,515.96x = 259,794,204,194.86
  5. Step 5: Solve for x
    x = 259,794,204,194.86/579,515.96
  6. Step 6: Final answer
    x = 448,295.17

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Half scale
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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.