Home / 1,226,510.75-1,839,653.34-327,920.28

Finding the Fourth Proportional to 1,226,510.75, 1,839,653.34 and 327,920.28

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Solution

The fourth proportional to 1,226,510.75, 1,839,653.34 and 327,920.28 is: 491,850.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,510.75 : 1,839,653.34 = 327,920.28 : x
  2. Step 2: Convert to fraction form
    1,226,510.75/1,839,653.34 = 327,920.28/x
  3. Step 3: Cross multiply
    1,226,510.75x = 1,839,653.34 × 327,920.28
  4. Step 4: Simplify right side
    1,226,510.75x = 603,259,638,355.74
  5. Step 5: Solve for x
    x = 603,259,638,355.74/1,226,510.75
  6. Step 6: Final answer
    x = 491,850.27

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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.