Home / 330,042.48-494,536.37-211,615.62

Finding the Fourth Proportional to 330,042.48, 494,536.37 and 211,615.62

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Solution

The fourth proportional to 330,042.48, 494,536.37 and 211,615.62 is: 317,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,042.48 : 494,536.37 = 211,615.62 : x
  2. Step 2: Convert to fraction form
    330,042.48/494,536.37 = 211,615.62/x
  3. Step 3: Cross multiply
    330,042.48x = 494,536.37 × 211,615.62
  4. Step 4: Simplify right side
    330,042.48x = 104,651,619,492.02
  5. Step 5: Solve for x
    x = 104,651,619,492.02/330,042.48
  6. Step 6: Final answer
    x = 317,085.30

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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.