Home / 442,431.42-610,602.20-270,450.04

Finding the Fourth Proportional to 442,431.42, 610,602.20 and 270,450.04

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Solution

The fourth proportional to 442,431.42, 610,602.20 and 270,450.04 is: 373,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,431.42 : 610,602.20 = 270,450.04 : x
  2. Step 2: Convert to fraction form
    442,431.42/610,602.20 = 270,450.04/x
  3. Step 3: Cross multiply
    442,431.42x = 610,602.20 × 270,450.04
  4. Step 4: Simplify right side
    442,431.42x = 165,137,389,414.09
  5. Step 5: Solve for x
    x = 165,137,389,414.09/442,431.42
  6. Step 6: Final answer
    x = 373,249.69

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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.