Home / 1,135,179.78-1,566,560.31-618,929.46

Finding the Fourth Proportional to 1,135,179.78, 1,566,560.31 and 618,929.46

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Solution

The fourth proportional to 1,135,179.78, 1,566,560.31 and 618,929.46 is: 854,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,179.78 : 1,566,560.31 = 618,929.46 : x
  2. Step 2: Convert to fraction form
    1,135,179.78/1,566,560.31 = 618,929.46/x
  3. Step 3: Cross multiply
    1,135,179.78x = 1,566,560.31 × 618,929.46
  4. Step 4: Simplify right side
    1,135,179.78x = 969,590,326,725.73
  5. Step 5: Solve for x
    x = 969,590,326,725.73/1,135,179.78
  6. Step 6: Final answer
    x = 854,129.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.