Home / 682,439.70-941,770.05-376,516.07

Finding the Fourth Proportional to 682,439.70, 941,770.05 and 376,516.07

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Solution

The fourth proportional to 682,439.70, 941,770.05 and 376,516.07 is: 519,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,439.70 : 941,770.05 = 376,516.07 : x
  2. Step 2: Convert to fraction form
    682,439.70/941,770.05 = 376,516.07/x
  3. Step 3: Cross multiply
    682,439.70x = 941,770.05 × 376,516.07
  4. Step 4: Simplify right side
    682,439.70x = 354,591,558,069.70
  5. Step 5: Solve for x
    x = 354,591,558,069.70/682,439.70
  6. Step 6: Final answer
    x = 519,593.98

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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.