Home / 441,621.60-662,518.80-188,901.60

Finding the Fourth Proportional to 441,621.60, 662,518.80 and 188,901.60

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Solution

The fourth proportional to 441,621.60, 662,518.80 and 188,901.60 is: 283,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,621.60 : 662,518.80 = 188,901.60 : x
  2. Step 2: Convert to fraction form
    441,621.60/662,518.80 = 188,901.60/x
  3. Step 3: Cross multiply
    441,621.60x = 662,518.80 × 188,901.60
  4. Step 4: Simplify right side
    441,621.60x = 125,150,861,350.08
  5. Step 5: Solve for x
    x = 125,150,861,350.08/441,621.60
  6. Step 6: Final answer
    x = 283,389.36

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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.