Home / 1,392,406.18-2,086,992.90-527,291.17

Finding the Fourth Proportional to 1,392,406.18, 2,086,992.90 and 527,291.17

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Solution

The fourth proportional to 1,392,406.18, 2,086,992.90 and 527,291.17 is: 790,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,406.18 : 2,086,992.90 = 527,291.17 : x
  2. Step 2: Convert to fraction form
    1,392,406.18/2,086,992.90 = 527,291.17/x
  3. Step 3: Cross multiply
    1,392,406.18x = 2,086,992.90 × 527,291.17
  4. Step 4: Simplify right side
    1,392,406.18x = 1,100,452,928,022.69
  5. Step 5: Solve for x
    x = 1,100,452,928,022.69/1,392,406.18
  6. Step 6: Final answer
    x = 790,324.65

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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.