Home / 621,175.41-931,783.89-171,858.69

Finding the Fourth Proportional to 621,175.41, 931,783.89 and 171,858.69

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Solution

The fourth proportional to 621,175.41, 931,783.89 and 171,858.69 is: 257,793.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,175.41 : 931,783.89 = 171,858.69 : x
  2. Step 2: Convert to fraction form
    621,175.41/931,783.89 = 171,858.69/x
  3. Step 3: Cross multiply
    621,175.41x = 931,783.89 × 171,858.69
  4. Step 4: Simplify right side
    621,175.41x = 160,135,158,698.50
  5. Step 5: Solve for x
    x = 160,135,158,698.50/621,175.41
  6. Step 6: Final answer
    x = 257,793.78

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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.