Home / 1,618,083.20-2,427,999.60-719,663.60

Finding the Fourth Proportional to 1,618,083.20, 2,427,999.60 and 719,663.60

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Solution

The fourth proportional to 1,618,083.20, 2,427,999.60 and 719,663.60 is: 1,079,884.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,083.20 : 2,427,999.60 = 719,663.60 : x
  2. Step 2: Convert to fraction form
    1,618,083.20/2,427,999.60 = 719,663.60/x
  3. Step 3: Cross multiply
    1,618,083.20x = 2,427,999.60 × 719,663.60
  4. Step 4: Simplify right side
    1,618,083.20x = 1,747,342,932,934.56
  5. Step 5: Solve for x
    x = 1,747,342,932,934.56/1,618,083.20
  6. Step 6: Final answer
    x = 1,079,884.48

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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.