Home / 908,731.98-1,363,112.11-269,100.42

Finding the Fourth Proportional to 908,731.98, 1,363,112.11 and 269,100.42

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Solution

The fourth proportional to 908,731.98, 1,363,112.11 and 269,100.42 is: 403,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,731.98 : 1,363,112.11 = 269,100.42 : x
  2. Step 2: Convert to fraction form
    908,731.98/1,363,112.11 = 269,100.42/x
  3. Step 3: Cross multiply
    908,731.98x = 1,363,112.11 × 269,100.42
  4. Step 4: Simplify right side
    908,731.98x = 366,814,041,308.09
  5. Step 5: Solve for x
    x = 366,814,041,308.09/908,731.98
  6. Step 6: Final answer
    x = 403,654.82

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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.