Home / 442,621.40-663,057.30-242,583.80

Finding the Fourth Proportional to 442,621.40, 663,057.30 and 242,583.80

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Solution

The fourth proportional to 442,621.40, 663,057.30 and 242,583.80 is: 363,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,621.40 : 663,057.30 = 242,583.80 : x
  2. Step 2: Convert to fraction form
    442,621.40/663,057.30 = 242,583.80/x
  3. Step 3: Cross multiply
    442,621.40x = 663,057.30 × 242,583.80
  4. Step 4: Simplify right side
    442,621.40x = 160,846,959,451.74
  5. Step 5: Solve for x
    x = 160,846,959,451.74/442,621.40
  6. Step 6: Final answer
    x = 363,396.26

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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.