Home / 391,986.18-541,172.82-246,916.32

Finding the Fourth Proportional to 391,986.18, 541,172.82 and 246,916.32

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Solution

The fourth proportional to 391,986.18, 541,172.82 and 246,916.32 is: 340,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,986.18 : 541,172.82 = 246,916.32 : x
  2. Step 2: Convert to fraction form
    391,986.18/541,172.82 = 246,916.32/x
  3. Step 3: Cross multiply
    391,986.18x = 541,172.82 × 246,916.32
  4. Step 4: Simplify right side
    391,986.18x = 133,624,401,198.42
  5. Step 5: Solve for x
    x = 133,624,401,198.42/391,986.18
  6. Step 6: Final answer
    x = 340,890.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.