Home / 621,222.75-931,854.78-171,906.03

Finding the Fourth Proportional to 621,222.75, 931,854.78 and 171,906.03

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Solution

The fourth proportional to 621,222.75, 931,854.78 and 171,906.03 is: 257,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,222.75 : 931,854.78 = 171,906.03 : x
  2. Step 2: Convert to fraction form
    621,222.75/931,854.78 = 171,906.03/x
  3. Step 3: Cross multiply
    621,222.75x = 931,854.78 × 171,906.03
  4. Step 4: Simplify right side
    621,222.75x = 160,191,455,766.32
  5. Step 5: Solve for x
    x = 160,191,455,766.32/621,222.75
  6. Step 6: Final answer
    x = 257,864.76

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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.