Home / 769,750.20-1,153,313.10-635,905.80

Finding the Fourth Proportional to 769,750.20, 1,153,313.10 and 635,905.80

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Solution

The fourth proportional to 769,750.20, 1,153,313.10 and 635,905.80 is: 952,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,750.20 : 1,153,313.10 = 635,905.80 : x
  2. Step 2: Convert to fraction form
    769,750.20/1,153,313.10 = 635,905.80/x
  3. Step 3: Cross multiply
    769,750.20x = 1,153,313.10 × 635,905.80
  4. Step 4: Simplify right side
    769,750.20x = 733,398,489,505.98
  5. Step 5: Solve for x
    x = 733,398,489,505.98/769,750.20
  6. Step 6: Final answer
    x = 952,774.67

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1.5x scale

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.