Home / 1,977,044.36-2,964,985.20-839,797.52

Finding the Fourth Proportional to 1,977,044.36, 2,964,985.20 and 839,797.52

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Solution

The fourth proportional to 1,977,044.36, 2,964,985.20 and 839,797.52 is: 1,259,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,044.36 : 2,964,985.20 = 839,797.52 : x
  2. Step 2: Convert to fraction form
    1,977,044.36/2,964,985.20 = 839,797.52/x
  3. Step 3: Cross multiply
    1,977,044.36x = 2,964,985.20 × 839,797.52
  4. Step 4: Simplify right side
    1,977,044.36x = 2,489,987,217,796.70
  5. Step 5: Solve for x
    x = 2,489,987,217,796.70/1,977,044.36
  6. Step 6: Final answer
    x = 1,259,449.34

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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.