Home / 616,085.20-923,436.60-261,038.80

Finding the Fourth Proportional to 616,085.20, 923,436.60 and 261,038.80

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Solution

The fourth proportional to 616,085.20, 923,436.60 and 261,038.80 is: 391,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,085.20 : 923,436.60 = 261,038.80 : x
  2. Step 2: Convert to fraction form
    616,085.20/923,436.60 = 261,038.80/x
  3. Step 3: Cross multiply
    616,085.20x = 923,436.60 × 261,038.80
  4. Step 4: Simplify right side
    616,085.20x = 241,052,781,940.08
  5. Step 5: Solve for x
    x = 241,052,781,940.08/616,085.20
  6. Step 6: Final answer
    x = 391,265.33

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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.