Home / 513,116.94-769,800.70-361,609.55

Finding the Fourth Proportional to 513,116.94, 769,800.70 and 361,609.55

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Solution

The fourth proportional to 513,116.94, 769,800.70 and 361,609.55 is: 542,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,116.94 : 769,800.70 = 361,609.55 : x
  2. Step 2: Convert to fraction form
    513,116.94/769,800.70 = 361,609.55/x
  3. Step 3: Cross multiply
    513,116.94x = 769,800.70 × 361,609.55
  4. Step 4: Simplify right side
    513,116.94x = 278,367,282,172.39
  5. Step 5: Solve for x
    x = 278,367,282,172.39/513,116.94
  6. Step 6: Final answer
    x = 542,502.61

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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.