Home / 262,477.37-393,778.76-84,984.57

Finding the Fourth Proportional to 262,477.37, 393,778.76 and 84,984.57

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Solution

The fourth proportional to 262,477.37, 393,778.76 and 84,984.57 is: 127,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,477.37 : 393,778.76 = 84,984.57 : x
  2. Step 2: Convert to fraction form
    262,477.37/393,778.76 = 84,984.57/x
  3. Step 3: Cross multiply
    262,477.37x = 393,778.76 × 84,984.57
  4. Step 4: Simplify right side
    262,477.37x = 33,465,118,593.73
  5. Step 5: Solve for x
    x = 33,465,118,593.73/262,477.37
  6. Step 6: Final answer
    x = 127,497.16

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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.