Home / 449,200.26-619,899.21-247,996.26

Finding the Fourth Proportional to 449,200.26, 619,899.21 and 247,996.26

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Solution

The fourth proportional to 449,200.26, 619,899.21 and 247,996.26 is: 342,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,200.26 : 619,899.21 = 247,996.26 : x
  2. Step 2: Convert to fraction form
    449,200.26/619,899.21 = 247,996.26/x
  3. Step 3: Cross multiply
    449,200.26x = 619,899.21 × 247,996.26
  4. Step 4: Simplify right side
    449,200.26x = 153,732,685,656.96
  5. Step 5: Solve for x
    x = 153,732,685,656.96/449,200.26
  6. Step 6: Final answer
    x = 342,236.41

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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.