Home / 1,022,391.84-1,533,863.88-312,400.44

Finding the Fourth Proportional to 1,022,391.84, 1,533,863.88 and 312,400.44

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Solution

The fourth proportional to 1,022,391.84, 1,533,863.88 and 312,400.44 is: 468,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,391.84 : 1,533,863.88 = 312,400.44 : x
  2. Step 2: Convert to fraction form
    1,022,391.84/1,533,863.88 = 312,400.44/x
  3. Step 3: Cross multiply
    1,022,391.84x = 1,533,863.88 × 312,400.44
  4. Step 4: Simplify right side
    1,022,391.84x = 479,179,751,012.11
  5. Step 5: Solve for x
    x = 479,179,751,012.11/1,022,391.84
  6. Step 6: Final answer
    x = 468,685.03

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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.