Home / 1,244,606.78-1,864,179-1,028,930.31

Finding the Fourth Proportional to 1,244,606.78, 1,864,179 and 1,028,930.31

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Solution

The fourth proportional to 1,244,606.78, 1,864,179 and 1,028,930.31 is: 1,541,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,606.78 : 1,864,179 = 1,028,930.31 : x
  2. Step 2: Convert to fraction form
    1,244,606.78/1,864,179 = 1,028,930.31/x
  3. Step 3: Cross multiply
    1,244,606.78x = 1,864,179 × 1,028,930.31
  4. Step 4: Simplify right side
    1,244,606.78x = 1,918,110,276,365.49
  5. Step 5: Solve for x
    x = 1,918,110,276,365.49/1,244,606.78
  6. Step 6: Final answer
    x = 1,541,137.58

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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.