Home / 1,117,747.97-1,542,487.83-627,649.34

Finding the Fourth Proportional to 1,117,747.97, 1,542,487.83 and 627,649.34

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Solution

The fourth proportional to 1,117,747.97, 1,542,487.83 and 627,649.34 is: 866,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,747.97 : 1,542,487.83 = 627,649.34 : x
  2. Step 2: Convert to fraction form
    1,117,747.97/1,542,487.83 = 627,649.34/x
  3. Step 3: Cross multiply
    1,117,747.97x = 1,542,487.83 × 627,649.34
  4. Step 4: Simplify right side
    1,117,747.97x = 968,141,470,279.25
  5. Step 5: Solve for x
    x = 968,141,470,279.25/1,117,747.97
  6. Step 6: Final answer
    x = 866,153.64

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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.