Home / 547,930.50-756,091.04-343,916.21

Finding the Fourth Proportional to 547,930.50, 756,091.04 and 343,916.21

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Solution

The fourth proportional to 547,930.50, 756,091.04 and 343,916.21 is: 474,571.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,930.50 : 756,091.04 = 343,916.21 : x
  2. Step 2: Convert to fraction form
    547,930.50/756,091.04 = 343,916.21/x
  3. Step 3: Cross multiply
    547,930.50x = 756,091.04 × 343,916.21
  4. Step 4: Simplify right side
    547,930.50x = 260,031,959,391.72
  5. Step 5: Solve for x
    x = 260,031,959,391.72/547,930.50
  6. Step 6: Final answer
    x = 474,571.06

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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.