Home / 451,147.69-622,583.95-269,867.26

Finding the Fourth Proportional to 451,147.69, 622,583.95 and 269,867.26

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Solution

The fourth proportional to 451,147.69, 622,583.95 and 269,867.26 is: 372,416.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,147.69 : 622,583.95 = 269,867.26 : x
  2. Step 2: Convert to fraction form
    451,147.69/622,583.95 = 269,867.26/x
  3. Step 3: Cross multiply
    451,147.69x = 622,583.95 × 269,867.26
  4. Step 4: Simplify right side
    451,147.69x = 168,015,022,475.35
  5. Step 5: Solve for x
    x = 168,015,022,475.35/451,147.69
  6. Step 6: Final answer
    x = 372,416.90

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1.5x scale

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.