Home / 1,311,704.16-1,963,112.20-806,585.10

Finding the Fourth Proportional to 1,311,704.16, 1,963,112.20 and 806,585.10

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Solution

The fourth proportional to 1,311,704.16, 1,963,112.20 and 806,585.10 is: 1,207,144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,704.16 : 1,963,112.20 = 806,585.10 : x
  2. Step 2: Convert to fraction form
    1,311,704.16/1,963,112.20 = 806,585.10/x
  3. Step 3: Cross multiply
    1,311,704.16x = 1,963,112.20 × 806,585.10
  4. Step 4: Simplify right side
    1,311,704.16x = 1,583,417,050,148.22
  5. Step 5: Solve for x
    x = 1,583,417,050,148.22/1,311,704.16
  6. Step 6: Final answer
    x = 1,207,144.95

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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.