Home / 1,117,456.93-1,542,253.08-627,481.45

Finding the Fourth Proportional to 1,117,456.93, 1,542,253.08 and 627,481.45

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Solution

The fourth proportional to 1,117,456.93, 1,542,253.08 and 627,481.45 is: 866,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,456.93 : 1,542,253.08 = 627,481.45 : x
  2. Step 2: Convert to fraction form
    1,117,456.93/1,542,253.08 = 627,481.45/x
  3. Step 3: Cross multiply
    1,117,456.93x = 1,542,253.08 × 627,481.45
  4. Step 4: Simplify right side
    1,117,456.93x = 967,735,198,905.37
  5. Step 5: Solve for x
    x = 967,735,198,905.37/1,117,456.93
  6. Step 6: Final answer
    x = 866,015.66

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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.