Home / 1,331,336.40-1,995,838.20-798,291.60

Finding the Fourth Proportional to 1,331,336.40, 1,995,838.20 and 798,291.60

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Solution

The fourth proportional to 1,331,336.40, 1,995,838.20 and 798,291.60 is: 1,196,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,336.40 : 1,995,838.20 = 798,291.60 : x
  2. Step 2: Convert to fraction form
    1,331,336.40/1,995,838.20 = 798,291.60/x
  3. Step 3: Cross multiply
    1,331,336.40x = 1,995,838.20 × 798,291.60
  4. Step 4: Simplify right side
    1,331,336.40x = 1,593,260,870,019.12
  5. Step 5: Solve for x
    x = 1,593,260,870,019.12/1,331,336.40
  6. Step 6: Final answer
    x = 1,196,738.01

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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.