Home / 3,012,976.16-4,519,462.80-769,113.44

Finding the Fourth Proportional to 3,012,976.16, 4,519,462.80 and 769,113.44

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Solution

The fourth proportional to 3,012,976.16, 4,519,462.80 and 769,113.44 is: 1,153,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,976.16 : 4,519,462.80 = 769,113.44 : x
  2. Step 2: Convert to fraction form
    3,012,976.16/4,519,462.80 = 769,113.44/x
  3. Step 3: Cross multiply
    3,012,976.16x = 4,519,462.80 × 769,113.44
  4. Step 4: Simplify right side
    3,012,976.16x = 3,475,979,581,060.03
  5. Step 5: Solve for x
    x = 3,475,979,581,060.03/3,012,976.16
  6. Step 6: Final answer
    x = 1,153,669.79

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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.