Home / 3,012,687.84-4,519,028-768,825.92

Finding the Fourth Proportional to 3,012,687.84, 4,519,028 and 768,825.92

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Solution

The fourth proportional to 3,012,687.84, 4,519,028 and 768,825.92 is: 1,153,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,687.84 : 4,519,028 = 768,825.92 : x
  2. Step 2: Convert to fraction form
    3,012,687.84/4,519,028 = 768,825.92/x
  3. Step 3: Cross multiply
    3,012,687.84x = 4,519,028 × 768,825.92
  4. Step 4: Simplify right side
    3,012,687.84x = 3,474,345,859,605.76
  5. Step 5: Solve for x
    x = 3,474,345,859,605.76/3,012,687.84
  6. Step 6: Final answer
    x = 1,153,237.92

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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.