Home / 621,072.54-931,556.86-171,798.94

Finding the Fourth Proportional to 621,072.54, 931,556.86 and 171,798.94

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Solution

The fourth proportional to 621,072.54, 931,556.86 and 171,798.94 is: 257,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,072.54 : 931,556.86 = 171,798.94 : x
  2. Step 2: Convert to fraction form
    621,072.54/931,556.86 = 171,798.94/x
  3. Step 3: Cross multiply
    621,072.54x = 931,556.86 × 171,798.94
  4. Step 4: Simplify right side
    621,072.54x = 160,040,481,097.73
  5. Step 5: Solve for x
    x = 160,040,481,097.73/621,072.54
  6. Step 6: Final answer
    x = 257,684.04

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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.