Home / 1,635,147-2,452,742.37-513,216

Finding the Fourth Proportional to 1,635,147, 2,452,742.37 and 513,216

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Solution

The fourth proportional to 1,635,147, 2,452,742.37 and 513,216 is: 769,830.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,147 : 2,452,742.37 = 513,216 : x
  2. Step 2: Convert to fraction form
    1,635,147/2,452,742.37 = 513,216/x
  3. Step 3: Cross multiply
    1,635,147x = 2,452,742.37 × 513,216
  4. Step 4: Simplify right side
    1,635,147x = 1,258,786,628,161.92
  5. Step 5: Solve for x
    x = 1,258,786,628,161.92/1,635,147
  6. Step 6: Final answer
    x = 769,830.86

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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.