Home / 361,966.14-499,536.90-209,010.78

Finding the Fourth Proportional to 361,966.14, 499,536.90 and 209,010.78

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Solution

The fourth proportional to 361,966.14, 499,536.90 and 209,010.78 is: 288,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,966.14 : 499,536.90 = 209,010.78 : x
  2. Step 2: Convert to fraction form
    361,966.14/499,536.90 = 209,010.78/x
  3. Step 3: Cross multiply
    361,966.14x = 499,536.90 × 209,010.78
  4. Step 4: Simplify right side
    361,966.14x = 104,408,597,107.78
  5. Step 5: Solve for x
    x = 104,408,597,107.78/361,966.14
  6. Step 6: Final answer
    x = 288,448.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.