Home / 579,149.56-799,225.83-324,502.57

Finding the Fourth Proportional to 579,149.56, 799,225.83 and 324,502.57

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Solution

The fourth proportional to 579,149.56, 799,225.83 and 324,502.57 is: 447,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,149.56 : 799,225.83 = 324,502.57 : x
  2. Step 2: Convert to fraction form
    579,149.56/799,225.83 = 324,502.57/x
  3. Step 3: Cross multiply
    579,149.56x = 799,225.83 × 324,502.57
  4. Step 4: Simplify right side
    579,149.56x = 259,350,835,845.38
  5. Step 5: Solve for x
    x = 259,350,835,845.38/579,149.56
  6. Step 6: Final answer
    x = 447,813.23

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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.