Home / 1,999,851.75-2,999,777.64-503,943.75

Finding the Fourth Proportional to 1,999,851.75, 2,999,777.64 and 503,943.75

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Solution

The fourth proportional to 1,999,851.75, 2,999,777.64 and 503,943.75 is: 755,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,851.75 : 2,999,777.64 = 503,943.75 : x
  2. Step 2: Convert to fraction form
    1,999,851.75/2,999,777.64 = 503,943.75/x
  3. Step 3: Cross multiply
    1,999,851.75x = 2,999,777.64 × 503,943.75
  4. Step 4: Simplify right side
    1,999,851.75x = 1,511,719,193,067.75
  5. Step 5: Solve for x
    x = 1,511,719,193,067.75/1,999,851.75
  6. Step 6: Final answer
    x = 755,915.63

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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.