Home / 609,194.24-913,889.28-209,736.80

Finding the Fourth Proportional to 609,194.24, 913,889.28 and 209,736.80

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Solution

The fourth proportional to 609,194.24, 913,889.28 and 209,736.80 is: 314,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,194.24 : 913,889.28 = 209,736.80 : x
  2. Step 2: Convert to fraction form
    609,194.24/913,889.28 = 209,736.80/x
  3. Step 3: Cross multiply
    609,194.24x = 913,889.28 × 209,736.80
  4. Step 4: Simplify right side
    609,194.24x = 191,676,213,141.50
  5. Step 5: Solve for x
    x = 191,676,213,141.50/609,194.24
  6. Step 6: Final answer
    x = 314,638.91

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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.