Home / 274,913.76-379,390.33-262,316.64

Finding the Fourth Proportional to 274,913.76, 379,390.33 and 262,316.64

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Solution

The fourth proportional to 274,913.76, 379,390.33 and 262,316.64 is: 362,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,913.76 : 379,390.33 = 262,316.64 : x
  2. Step 2: Convert to fraction form
    274,913.76/379,390.33 = 262,316.64/x
  3. Step 3: Cross multiply
    274,913.76x = 379,390.33 × 262,316.64
  4. Step 4: Simplify right side
    274,913.76x = 99,520,396,614.09
  5. Step 5: Solve for x
    x = 99,520,396,614.09/274,913.76
  6. Step 6: Final answer
    x = 362,005.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.