Home / 2,912,605.44-4,368,904.37-782,689.56

Finding the Fourth Proportional to 2,912,605.44, 4,368,904.37 and 782,689.56

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Solution

The fourth proportional to 2,912,605.44, 4,368,904.37 and 782,689.56 is: 1,174,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,605.44 : 4,368,904.37 = 782,689.56 : x
  2. Step 2: Convert to fraction form
    2,912,605.44/4,368,904.37 = 782,689.56/x
  3. Step 3: Cross multiply
    2,912,605.44x = 4,368,904.37 × 782,689.56
  4. Step 4: Simplify right side
    2,912,605.44x = 3,419,495,839,037.38
  5. Step 5: Solve for x
    x = 3,419,495,839,037.38/2,912,605.44
  6. Step 6: Final answer
    x = 1,174,033.32

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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.