Home / 828,200.70-1,242,301.05-733,722.30

Finding the Fourth Proportional to 828,200.70, 1,242,301.05 and 733,722.30

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Solution

The fourth proportional to 828,200.70, 1,242,301.05 and 733,722.30 is: 1,100,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,200.70 : 1,242,301.05 = 733,722.30 : x
  2. Step 2: Convert to fraction form
    828,200.70/1,242,301.05 = 733,722.30/x
  3. Step 3: Cross multiply
    828,200.70x = 1,242,301.05 × 733,722.30
  4. Step 4: Simplify right side
    828,200.70x = 911,503,983,698.42
  5. Step 5: Solve for x
    x = 911,503,983,698.42/828,200.70
  6. Step 6: Final answer
    x = 1,100,583.45

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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.