Home / 579,314.40-799,410.24-324,616.56

Finding the Fourth Proportional to 579,314.40, 799,410.24 and 324,616.56

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Solution

The fourth proportional to 579,314.40, 799,410.24 and 324,616.56 is: 447,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,314.40 : 799,410.24 = 324,616.56 : x
  2. Step 2: Convert to fraction form
    579,314.40/799,410.24 = 324,616.56/x
  3. Step 3: Cross multiply
    579,314.40x = 799,410.24 × 324,616.56
  4. Step 4: Simplify right side
    579,314.40x = 259,501,802,137.57
  5. Step 5: Solve for x
    x = 259,501,802,137.57/579,314.40
  6. Step 6: Final answer
    x = 447,946.40

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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.