Home / 982,163.56-1,355,371.85-552,443.58

Finding the Fourth Proportional to 982,163.56, 1,355,371.85 and 552,443.58

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Solution

The fourth proportional to 982,163.56, 1,355,371.85 and 552,443.58 is: 762,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,163.56 : 1,355,371.85 = 552,443.58 : x
  2. Step 2: Convert to fraction form
    982,163.56/1,355,371.85 = 552,443.58/x
  3. Step 3: Cross multiply
    982,163.56x = 1,355,371.85 × 552,443.58
  4. Step 4: Simplify right side
    982,163.56x = 748,766,477,045.22
  5. Step 5: Solve for x
    x = 748,766,477,045.22/982,163.56
  6. Step 6: Final answer
    x = 762,364.34

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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.