Home / 264,936.15-397,404.23-217,999.18

Finding the Fourth Proportional to 264,936.15, 397,404.23 and 217,999.18

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Solution

The fourth proportional to 264,936.15, 397,404.23 and 217,999.18 is: 326,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,936.15 : 397,404.23 = 217,999.18 : x
  2. Step 2: Convert to fraction form
    264,936.15/397,404.23 = 217,999.18/x
  3. Step 3: Cross multiply
    264,936.15x = 397,404.23 × 217,999.18
  4. Step 4: Simplify right side
    264,936.15x = 86,633,795,675.29
  5. Step 5: Solve for x
    x = 86,633,795,675.29/264,936.15
  6. Step 6: Final answer
    x = 326,998.77

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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.