Home / 513,203.02-769,541.68-273,453.55

Finding the Fourth Proportional to 513,203.02, 769,541.68 and 273,453.55

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Solution

The fourth proportional to 513,203.02, 769,541.68 and 273,453.55 is: 410,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,203.02 : 769,541.68 = 273,453.55 : x
  2. Step 2: Convert to fraction form
    513,203.02/769,541.68 = 273,453.55/x
  3. Step 3: Cross multiply
    513,203.02x = 769,541.68 × 273,453.55
  4. Step 4: Simplify right side
    513,203.02x = 210,433,904,268.96
  5. Step 5: Solve for x
    x = 210,433,904,268.96/513,203.02
  6. Step 6: Final answer
    x = 410,040.27

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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.