Home / 808,838.40-1,213,257.60-798,340.80

Finding the Fourth Proportional to 808,838.40, 1,213,257.60 and 798,340.80

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Solution

The fourth proportional to 808,838.40, 1,213,257.60 and 798,340.80 is: 1,197,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,838.40 : 1,213,257.60 = 798,340.80 : x
  2. Step 2: Convert to fraction form
    808,838.40/1,213,257.60 = 798,340.80/x
  3. Step 3: Cross multiply
    808,838.40x = 1,213,257.60 × 798,340.80
  4. Step 4: Simplify right side
    808,838.40x = 968,593,042,990.08
  5. Step 5: Solve for x
    x = 968,593,042,990.08/808,838.40
  6. Step 6: Final answer
    x = 1,197,511.20

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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.