Home / 728,636.50-1,093,027.67-223,191.64

Finding the Fourth Proportional to 728,636.50, 1,093,027.67 and 223,191.64

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Solution

The fourth proportional to 728,636.50, 1,093,027.67 and 223,191.64 is: 334,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,636.50 : 1,093,027.67 = 223,191.64 : x
  2. Step 2: Convert to fraction form
    728,636.50/1,093,027.67 = 223,191.64/x
  3. Step 3: Cross multiply
    728,636.50x = 1,093,027.67 × 223,191.64
  4. Step 4: Simplify right side
    728,636.50x = 243,954,638,232.68
  5. Step 5: Solve for x
    x = 243,954,638,232.68/728,636.50
  6. Step 6: Final answer
    x = 334,809.80

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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.