Home / 1,311,730.71-1,963,151.74-806,611.57

Finding the Fourth Proportional to 1,311,730.71, 1,963,151.74 and 806,611.57

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Solution

The fourth proportional to 1,311,730.71, 1,963,151.74 and 806,611.57 is: 1,207,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,730.71 : 1,963,151.74 = 806,611.57 : x
  2. Step 2: Convert to fraction form
    1,311,730.71/1,963,151.74 = 806,611.57/x
  3. Step 3: Cross multiply
    1,311,730.71x = 1,963,151.74 × 806,611.57
  4. Step 4: Simplify right side
    1,311,730.71x = 1,583,500,903,250.02
  5. Step 5: Solve for x
    x = 1,583,500,903,250.02/1,311,730.71
  6. Step 6: Final answer
    x = 1,207,184.44

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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.