Home / 1,392,410.20-2,086,998.88-527,295.16

Finding the Fourth Proportional to 1,392,410.20, 2,086,998.88 and 527,295.16

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Solution

The fourth proportional to 1,392,410.20, 2,086,998.88 and 527,295.16 is: 790,330.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,410.20 : 2,086,998.88 = 527,295.16 : x
  2. Step 2: Convert to fraction form
    1,392,410.20/2,086,998.88 = 527,295.16/x
  3. Step 3: Cross multiply
    1,392,410.20x = 2,086,998.88 × 527,295.16
  4. Step 4: Simplify right side
    1,392,410.20x = 1,100,464,408,349.42
  5. Step 5: Solve for x
    x = 1,100,464,408,349.42/1,392,410.20
  6. Step 6: Final answer
    x = 790,330.61

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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.