Home / 682,100.37-941,286.06-376,205.09

Finding the Fourth Proportional to 682,100.37, 941,286.06 and 376,205.09

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Solution

The fourth proportional to 682,100.37, 941,286.06 and 376,205.09 is: 519,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,100.37 : 941,286.06 = 376,205.09 : x
  2. Step 2: Convert to fraction form
    682,100.37/941,286.06 = 376,205.09/x
  3. Step 3: Cross multiply
    682,100.37x = 941,286.06 × 376,205.09
  4. Step 4: Simplify right side
    682,100.37x = 354,116,602,211.62
  5. Step 5: Solve for x
    x = 354,116,602,211.62/682,100.37
  6. Step 6: Final answer
    x = 519,156.15

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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.