Home / 1,202,543.78-1,659,511.08-658,688.66

Finding the Fourth Proportional to 1,202,543.78, 1,659,511.08 and 658,688.66

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Solution

The fourth proportional to 1,202,543.78, 1,659,511.08 and 658,688.66 is: 908,990.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,543.78 : 1,659,511.08 = 658,688.66 : x
  2. Step 2: Convert to fraction form
    1,202,543.78/1,659,511.08 = 658,688.66/x
  3. Step 3: Cross multiply
    1,202,543.78x = 1,659,511.08 × 658,688.66
  4. Step 4: Simplify right side
    1,202,543.78x = 1,093,101,129,540.35
  5. Step 5: Solve for x
    x = 1,093,101,129,540.35/1,202,543.78
  6. Step 6: Final answer
    x = 908,990.71

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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.