Home / 1,761,187.82-2,430,478.60-986,876.42

Finding the Fourth Proportional to 1,761,187.82, 2,430,478.60 and 986,876.42

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Solution

The fourth proportional to 1,761,187.82, 2,430,478.60 and 986,876.42 is: 1,361,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,187.82 : 2,430,478.60 = 986,876.42 : x
  2. Step 2: Convert to fraction form
    1,761,187.82/2,430,478.60 = 986,876.42/x
  3. Step 3: Cross multiply
    1,761,187.82x = 2,430,478.60 × 986,876.42
  4. Step 4: Simplify right side
    1,761,187.82x = 2,398,582,019,654.61
  5. Step 5: Solve for x
    x = 2,398,582,019,654.61/1,761,187.82
  6. Step 6: Final answer
    x = 1,361,911.54

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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.