Home / 451,047.21-622,445.09-269,759.11

Finding the Fourth Proportional to 451,047.21, 622,445.09 and 269,759.11

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Solution

The fourth proportional to 451,047.21, 622,445.09 and 269,759.11 is: 372,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,047.21 : 622,445.09 = 269,759.11 : x
  2. Step 2: Convert to fraction form
    451,047.21/622,445.09 = 269,759.11/x
  3. Step 3: Cross multiply
    451,047.21x = 622,445.09 × 269,759.11
  4. Step 4: Simplify right side
    451,047.21x = 167,910,229,041.25
  5. Step 5: Solve for x
    x = 167,910,229,041.25/451,047.21
  6. Step 6: Final answer
    x = 372,267.53

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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.