Home / 326,933.20-490,643.16-242,889.04

Finding the Fourth Proportional to 326,933.20, 490,643.16 and 242,889.04

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Solution

The fourth proportional to 326,933.20, 490,643.16 and 242,889.04 is: 364,514.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,933.20 : 490,643.16 = 242,889.04 : x
  2. Step 2: Convert to fraction form
    326,933.20/490,643.16 = 242,889.04/x
  3. Step 3: Cross multiply
    326,933.20x = 490,643.16 × 242,889.04
  4. Step 4: Simplify right side
    326,933.20x = 119,171,846,114.97
  5. Step 5: Solve for x
    x = 119,171,846,114.97/326,933.20
  6. Step 6: Final answer
    x = 364,514.36

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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.