Home / 2,912,569.56-4,368,850.56-782,653.73

Finding the Fourth Proportional to 2,912,569.56, 4,368,850.56 and 782,653.73

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Solution

The fourth proportional to 2,912,569.56, 4,368,850.56 and 782,653.73 is: 1,173,979.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,569.56 : 4,368,850.56 = 782,653.73 : x
  2. Step 2: Convert to fraction form
    2,912,569.56/4,368,850.56 = 782,653.73/x
  3. Step 3: Cross multiply
    2,912,569.56x = 4,368,850.56 × 782,653.73
  4. Step 4: Simplify right side
    2,912,569.56x = 3,419,297,186,596.59
  5. Step 5: Solve for x
    x = 3,419,297,186,596.59/2,912,569.56
  6. Step 6: Final answer
    x = 1,173,979.58

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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.