Home / 693,548.80-1,040,323.20-194,912.80

Finding the Fourth Proportional to 693,548.80, 1,040,323.20 and 194,912.80

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Solution

The fourth proportional to 693,548.80, 1,040,323.20 and 194,912.80 is: 292,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,548.80 : 1,040,323.20 = 194,912.80 : x
  2. Step 2: Convert to fraction form
    693,548.80/1,040,323.20 = 194,912.80/x
  3. Step 3: Cross multiply
    693,548.80x = 1,040,323.20 × 194,912.80
  4. Step 4: Simplify right side
    693,548.80x = 202,772,307,816.96
  5. Step 5: Solve for x
    x = 202,772,307,816.96/693,548.80
  6. Step 6: Final answer
    x = 292,369.20

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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.