Home / 1,167,793.60-1,751,690.40-419,915.20

Finding the Fourth Proportional to 1,167,793.60, 1,751,690.40 and 419,915.20

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Solution

The fourth proportional to 1,167,793.60, 1,751,690.40 and 419,915.20 is: 629,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,793.60 : 1,751,690.40 = 419,915.20 : x
  2. Step 2: Convert to fraction form
    1,167,793.60/1,751,690.40 = 419,915.20/x
  3. Step 3: Cross multiply
    1,167,793.60x = 1,751,690.40 × 419,915.20
  4. Step 4: Simplify right side
    1,167,793.60x = 735,561,424,654.08
  5. Step 5: Solve for x
    x = 735,561,424,654.08/1,167,793.60
  6. Step 6: Final answer
    x = 629,872.80

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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.