Home / 847,540.80-1,169,276.66-479,933.54

Finding the Fourth Proportional to 847,540.80, 1,169,276.66 and 479,933.54

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Solution

The fourth proportional to 847,540.80, 1,169,276.66 and 479,933.54 is: 662,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,540.80 : 1,169,276.66 = 479,933.54 : x
  2. Step 2: Convert to fraction form
    847,540.80/1,169,276.66 = 479,933.54/x
  3. Step 3: Cross multiply
    847,540.80x = 1,169,276.66 × 479,933.54
  4. Step 4: Simplify right side
    847,540.80x = 561,175,086,673.18
  5. Step 5: Solve for x
    x = 561,175,086,673.18/847,540.80
  6. Step 6: Final answer
    x = 662,121.62

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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.