Home / 621,255.78-931,884.93-171,977.94

Finding the Fourth Proportional to 621,255.78, 931,884.93 and 171,977.94

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Solution

The fourth proportional to 621,255.78, 931,884.93 and 171,977.94 is: 257,967.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,255.78 : 931,884.93 = 171,977.94 : x
  2. Step 2: Convert to fraction form
    621,255.78/931,884.93 = 171,977.94/x
  3. Step 3: Cross multiply
    621,255.78x = 931,884.93 × 171,977.94
  4. Step 4: Simplify right side
    621,255.78x = 160,263,650,578.44
  5. Step 5: Solve for x
    x = 160,263,650,578.44/621,255.78
  6. Step 6: Final answer
    x = 257,967.26

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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.