Home / 516,378.35-774,568.13-161,394.23

Finding the Fourth Proportional to 516,378.35, 774,568.13 and 161,394.23

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Solution

The fourth proportional to 516,378.35, 774,568.13 and 161,394.23 is: 242,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,378.35 : 774,568.13 = 161,394.23 : x
  2. Step 2: Convert to fraction form
    516,378.35/774,568.13 = 161,394.23/x
  3. Step 3: Cross multiply
    516,378.35x = 774,568.13 × 161,394.23
  4. Step 4: Simplify right side
    516,378.35x = 125,010,826,923.89
  5. Step 5: Solve for x
    x = 125,010,826,923.89/516,378.35
  6. Step 6: Final answer
    x = 242,091.53

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Double scale
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Similar ratio
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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.