Home / 535,276.20-802,914.30-324,978.60

Finding the Fourth Proportional to 535,276.20, 802,914.30 and 324,978.60

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Solution

The fourth proportional to 535,276.20, 802,914.30 and 324,978.60 is: 487,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,276.20 : 802,914.30 = 324,978.60 : x
  2. Step 2: Convert to fraction form
    535,276.20/802,914.30 = 324,978.60/x
  3. Step 3: Cross multiply
    535,276.20x = 802,914.30 × 324,978.60
  4. Step 4: Simplify right side
    535,276.20x = 260,929,965,133.98
  5. Step 5: Solve for x
    x = 260,929,965,133.98/535,276.20
  6. Step 6: Final answer
    x = 487,467.90

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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.