Home / 693,679.80-1,040,519.70-195,043.80

Finding the Fourth Proportional to 693,679.80, 1,040,519.70 and 195,043.80

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Solution

The fourth proportional to 693,679.80, 1,040,519.70 and 195,043.80 is: 292,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,679.80 : 1,040,519.70 = 195,043.80 : x
  2. Step 2: Convert to fraction form
    693,679.80/1,040,519.70 = 195,043.80/x
  3. Step 3: Cross multiply
    693,679.80x = 1,040,519.70 × 195,043.80
  4. Step 4: Simplify right side
    693,679.80x = 202,946,916,262.86
  5. Step 5: Solve for x
    x = 202,946,916,262.86/693,679.80
  6. Step 6: Final answer
    x = 292,565.70

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Similar ratio
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1.5x scale

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.