Home / 1,995,028.48-2,992,963.52-647,086.40

Finding the Fourth Proportional to 1,995,028.48, 2,992,963.52 and 647,086.40

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Solution

The fourth proportional to 1,995,028.48, 2,992,963.52 and 647,086.40 is: 970,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,028.48 : 2,992,963.52 = 647,086.40 : x
  2. Step 2: Convert to fraction form
    1,995,028.48/2,992,963.52 = 647,086.40/x
  3. Step 3: Cross multiply
    1,995,028.48x = 2,992,963.52 × 647,086.40
  4. Step 4: Simplify right side
    1,995,028.48x = 1,936,705,976,141.03
  5. Step 5: Solve for x
    x = 1,936,705,976,141.03/1,995,028.48
  6. Step 6: Final answer
    x = 970,766.08

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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.