Home / 622,122.83-931,689.34-355,073.73

Finding the Fourth Proportional to 622,122.83, 931,689.34 and 355,073.73

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Solution

The fourth proportional to 622,122.83, 931,689.34 and 355,073.73 is: 531,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,122.83 : 931,689.34 = 355,073.73 : x
  2. Step 2: Convert to fraction form
    622,122.83/931,689.34 = 355,073.73/x
  3. Step 3: Cross multiply
    622,122.83x = 931,689.34 × 355,073.73
  4. Step 4: Simplify right side
    622,122.83x = 330,818,404,773.52
  5. Step 5: Solve for x
    x = 330,818,404,773.52/622,122.83
  6. Step 6: Final answer
    x = 531,757.38

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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.