Home / 1,311,784.57-1,963,232.61-806,665.48

Finding the Fourth Proportional to 1,311,784.57, 1,963,232.61 and 806,665.48

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Solution

The fourth proportional to 1,311,784.57, 1,963,232.61 and 806,665.48 is: 1,207,265.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,784.57 : 1,963,232.61 = 806,665.48 : x
  2. Step 2: Convert to fraction form
    1,311,784.57/1,963,232.61 = 806,665.48/x
  3. Step 3: Cross multiply
    1,311,784.57x = 1,963,232.61 × 806,665.48
  4. Step 4: Simplify right side
    1,311,784.57x = 1,583,671,975,697.30
  5. Step 5: Solve for x
    x = 1,583,671,975,697.30/1,311,784.57
  6. Step 6: Final answer
    x = 1,207,265.29

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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.