Home / 5,308,992-7,963,517.70-1,319,904

Finding the Fourth Proportional to 5,308,992, 7,963,517.70 and 1,319,904

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Solution

The fourth proportional to 5,308,992, 7,963,517.70 and 1,319,904 is: 1,979,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308,992 : 7,963,517.70 = 1,319,904 : x
  2. Step 2: Convert to fraction form
    5,308,992/7,963,517.70 = 1,319,904/x
  3. Step 3: Cross multiply
    5,308,992x = 7,963,517.70 × 1,319,904
  4. Step 4: Simplify right side
    5,308,992x = 10,511,078,866,300.80
  5. Step 5: Solve for x
    x = 10,511,078,866,300.80/5,308,992
  6. Step 6: Final answer
    x = 1,979,863.38

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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.