Home / 1,353,844.40-2,031,544.20-512,999.60

Finding the Fourth Proportional to 1,353,844.40, 2,031,544.20 and 512,999.60

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Solution

The fourth proportional to 1,353,844.40, 2,031,544.20 and 512,999.60 is: 769,794.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,844.40 : 2,031,544.20 = 512,999.60 : x
  2. Step 2: Convert to fraction form
    1,353,844.40/2,031,544.20 = 512,999.60/x
  3. Step 3: Cross multiply
    1,353,844.40x = 2,031,544.20 × 512,999.60
  4. Step 4: Simplify right side
    1,353,844.40x = 1,042,181,361,982.32
  5. Step 5: Solve for x
    x = 1,042,181,361,982.32/1,353,844.40
  6. Step 6: Final answer
    x = 769,794.05

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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.