Home / 460,741.71-690,827.45-179,928.75

Finding the Fourth Proportional to 460,741.71, 690,827.45 and 179,928.75

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Solution

The fourth proportional to 460,741.71, 690,827.45 and 179,928.75 is: 269,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,741.71 : 690,827.45 = 179,928.75 : x
  2. Step 2: Convert to fraction form
    460,741.71/690,827.45 = 179,928.75/x
  3. Step 3: Cross multiply
    460,741.71x = 690,827.45 × 179,928.75
  4. Step 4: Simplify right side
    460,741.71x = 124,299,718,644.54
  5. Step 5: Solve for x
    x = 124,299,718,644.54/460,741.71
  6. Step 6: Final answer
    x = 269,781.78

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1.5x scale

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.