Home / 436,464.20-654,696.30-325,872.20

Finding the Fourth Proportional to 436,464.20, 654,696.30 and 325,872.20

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Solution

The fourth proportional to 436,464.20, 654,696.30 and 325,872.20 is: 488,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,464.20 : 654,696.30 = 325,872.20 : x
  2. Step 2: Convert to fraction form
    436,464.20/654,696.30 = 325,872.20/x
  3. Step 3: Cross multiply
    436,464.20x = 654,696.30 × 325,872.20
  4. Step 4: Simplify right side
    436,464.20x = 213,347,323,612.86
  5. Step 5: Solve for x
    x = 213,347,323,612.86/436,464.20
  6. Step 6: Final answer
    x = 488,808.30

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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.