Home / 324,093.10-486,577.05-257,608.30

Finding the Fourth Proportional to 324,093.10, 486,577.05 and 257,608.30

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Solution

The fourth proportional to 324,093.10, 486,577.05 and 257,608.30 is: 386,760.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,093.10 : 486,577.05 = 257,608.30 : x
  2. Step 2: Convert to fraction form
    324,093.10/486,577.05 = 257,608.30/x
  3. Step 3: Cross multiply
    324,093.10x = 486,577.05 × 257,608.30
  4. Step 4: Simplify right side
    324,093.10x = 125,346,286,669.52
  5. Step 5: Solve for x
    x = 125,346,286,669.52/324,093.10
  6. Step 6: Final answer
    x = 386,760.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.