Home / 960,712.92-1,441,143.78-321,018.87

Finding the Fourth Proportional to 960,712.92, 1,441,143.78 and 321,018.87

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Solution

The fourth proportional to 960,712.92, 1,441,143.78 and 321,018.87 is: 481,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,712.92 : 1,441,143.78 = 321,018.87 : x
  2. Step 2: Convert to fraction form
    960,712.92/1,441,143.78 = 321,018.87/x
  3. Step 3: Cross multiply
    960,712.92x = 1,441,143.78 × 321,018.87
  4. Step 4: Simplify right side
    960,712.92x = 462,634,346,158.03
  5. Step 5: Solve for x
    x = 462,634,346,158.03/960,712.92
  6. Step 6: Final answer
    x = 481,553.17

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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.