Home / 1,120,966.89-1,681,731.94-322,249.87

Finding the Fourth Proportional to 1,120,966.89, 1,681,731.94 and 322,249.87

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Solution

The fourth proportional to 1,120,966.89, 1,681,731.94 and 322,249.87 is: 483,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,966.89 : 1,681,731.94 = 322,249.87 : x
  2. Step 2: Convert to fraction form
    1,120,966.89/1,681,731.94 = 322,249.87/x
  3. Step 3: Cross multiply
    1,120,966.89x = 1,681,731.94 × 322,249.87
  4. Step 4: Simplify right side
    1,120,966.89x = 541,937,899,039.85
  5. Step 5: Solve for x
    x = 541,937,899,039.85/1,120,966.89
  6. Step 6: Final answer
    x = 483,455.76

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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.