Home / 519,811.40-779,976.30-295,344.20

Finding the Fourth Proportional to 519,811.40, 779,976.30 and 295,344.20

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Solution

The fourth proportional to 519,811.40, 779,976.30 and 295,344.20 is: 443,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,811.40 : 779,976.30 = 295,344.20 : x
  2. Step 2: Convert to fraction form
    519,811.40/779,976.30 = 295,344.20/x
  3. Step 3: Cross multiply
    519,811.40x = 779,976.30 × 295,344.20
  4. Step 4: Simplify right side
    519,811.40x = 230,361,476,342.46
  5. Step 5: Solve for x
    x = 230,361,476,342.46/519,811.40
  6. Step 6: Final answer
    x = 443,163.57

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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.