Home / 325,439.57-486,180.21-210,652.23

Finding the Fourth Proportional to 325,439.57, 486,180.21 and 210,652.23

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Solution

The fourth proportional to 325,439.57, 486,180.21 and 210,652.23 is: 314,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,439.57 : 486,180.21 = 210,652.23 : x
  2. Step 2: Convert to fraction form
    325,439.57/486,180.21 = 210,652.23/x
  3. Step 3: Cross multiply
    325,439.57x = 486,180.21 × 210,652.23
  4. Step 4: Simplify right side
    325,439.57x = 102,414,945,418.37
  5. Step 5: Solve for x
    x = 102,414,945,418.37/325,439.57
  6. Step 6: Final answer
    x = 314,697.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.