Home / 505,976.03-698,344.38-324,916.73

Finding the Fourth Proportional to 505,976.03, 698,344.38 and 324,916.73

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Solution

The fourth proportional to 505,976.03, 698,344.38 and 324,916.73 is: 448,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,976.03 : 698,344.38 = 324,916.73 : x
  2. Step 2: Convert to fraction form
    505,976.03/698,344.38 = 324,916.73/x
  3. Step 3: Cross multiply
    505,976.03x = 698,344.38 × 324,916.73
  4. Step 4: Simplify right side
    505,976.03x = 226,903,772,363.48
  5. Step 5: Solve for x
    x = 226,903,772,363.48/505,976.03
  6. Step 6: Final answer
    x = 448,447.67

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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.