Home / 1,593,289.76-2,198,712.13-868,143.47

Finding the Fourth Proportional to 1,593,289.76, 2,198,712.13 and 868,143.47

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Solution

The fourth proportional to 1,593,289.76, 2,198,712.13 and 868,143.47 is: 1,198,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593,289.76 : 2,198,712.13 = 868,143.47 : x
  2. Step 2: Convert to fraction form
    1,593,289.76/2,198,712.13 = 868,143.47/x
  3. Step 3: Cross multiply
    1,593,289.76x = 2,198,712.13 × 868,143.47
  4. Step 4: Simplify right side
    1,593,289.76x = 1,908,797,578,069.29
  5. Step 5: Solve for x
    x = 1,908,797,578,069.29/1,593,289.76
  6. Step 6: Final answer
    x = 1,198,022.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.