Home / 540,682.12-746,195.76-298,982.92

Finding the Fourth Proportional to 540,682.12, 746,195.76 and 298,982.92

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Solution

The fourth proportional to 540,682.12, 746,195.76 and 298,982.92 is: 412,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,682.12 : 746,195.76 = 298,982.92 : x
  2. Step 2: Convert to fraction form
    540,682.12/746,195.76 = 298,982.92/x
  3. Step 3: Cross multiply
    540,682.12x = 746,195.76 × 298,982.92
  4. Step 4: Simplify right side
    540,682.12x = 223,099,787,216.42
  5. Step 5: Solve for x
    x = 223,099,787,216.42/540,682.12
  6. Step 6: Final answer
    x = 412,626.53

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Double scale
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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.