Home / 1,311,785.07-1,963,233.36-806,665.98

Finding the Fourth Proportional to 1,311,785.07, 1,963,233.36 and 806,665.98

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Solution

The fourth proportional to 1,311,785.07, 1,963,233.36 and 806,665.98 is: 1,207,266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,785.07 : 1,963,233.36 = 806,665.98 : x
  2. Step 2: Convert to fraction form
    1,311,785.07/1,963,233.36 = 806,665.98/x
  3. Step 3: Cross multiply
    1,311,785.07x = 1,963,233.36 × 806,665.98
  4. Step 4: Simplify right side
    1,311,785.07x = 1,583,673,562,313.09
  5. Step 5: Solve for x
    x = 1,583,673,562,313.09/1,311,785.07
  6. Step 6: Final answer
    x = 1,207,266.04

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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.