Home / 3,012,688.84-4,519,029.50-768,826.92

Finding the Fourth Proportional to 3,012,688.84, 4,519,029.50 and 768,826.92

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Solution

The fourth proportional to 3,012,688.84, 4,519,029.50 and 768,826.92 is: 1,153,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,688.84 : 4,519,029.50 = 768,826.92 : x
  2. Step 2: Convert to fraction form
    3,012,688.84/4,519,029.50 = 768,826.92/x
  3. Step 3: Cross multiply
    3,012,688.84x = 4,519,029.50 × 768,826.92
  4. Step 4: Simplify right side
    3,012,688.84x = 3,474,351,531,874.14
  5. Step 5: Solve for x
    x = 3,474,351,531,874.14/3,012,688.84
  6. Step 6: Final answer
    x = 1,153,239.42

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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.