Home / 505,748.27-758,731.76-269,056.55

Finding the Fourth Proportional to 505,748.27, 758,731.76 and 269,056.55

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Solution

The fourth proportional to 505,748.27, 758,731.76 and 269,056.55 is: 403,643.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,748.27 : 758,731.76 = 269,056.55 : x
  2. Step 2: Convert to fraction form
    505,748.27/758,731.76 = 269,056.55/x
  3. Step 3: Cross multiply
    505,748.27x = 758,731.76 × 269,056.55
  4. Step 4: Simplify right side
    505,748.27x = 204,141,751,281.54
  5. Step 5: Solve for x
    x = 204,141,751,281.54/505,748.27
  6. Step 6: Final answer
    x = 403,643.00

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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.