Home / 451,149.75-622,586.66-269,869.32

Finding the Fourth Proportional to 451,149.75, 622,586.66 and 269,869.32

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Solution

The fourth proportional to 451,149.75, 622,586.66 and 269,869.32 is: 372,419.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,149.75 : 622,586.66 = 269,869.32 : x
  2. Step 2: Convert to fraction form
    451,149.75/622,586.66 = 269,869.32/x
  3. Step 3: Cross multiply
    451,149.75x = 622,586.66 × 269,869.32
  4. Step 4: Simplify right side
    451,149.75x = 168,017,037,225.93
  5. Step 5: Solve for x
    x = 168,017,037,225.93/451,149.75
  6. Step 6: Final answer
    x = 372,419.66

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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.