Home / 579,316.54-799,489.66-324,684.12

Finding the Fourth Proportional to 579,316.54, 799,489.66 and 324,684.12

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Solution

The fourth proportional to 579,316.54, 799,489.66 and 324,684.12 is: 448,082.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,316.54 : 799,489.66 = 324,684.12 : x
  2. Step 2: Convert to fraction form
    579,316.54/799,489.66 = 324,684.12/x
  3. Step 3: Cross multiply
    579,316.54x = 799,489.66 × 324,684.12
  4. Step 4: Simplify right side
    579,316.54x = 259,581,596,706.20
  5. Step 5: Solve for x
    x = 259,581,596,706.20/579,316.54
  6. Step 6: Final answer
    x = 448,082.49

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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.