Home / 976,658.40-1,464,987.60-819,194.40

Finding the Fourth Proportional to 976,658.40, 1,464,987.60 and 819,194.40

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Solution

The fourth proportional to 976,658.40, 1,464,987.60 and 819,194.40 is: 1,228,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,658.40 : 1,464,987.60 = 819,194.40 : x
  2. Step 2: Convert to fraction form
    976,658.40/1,464,987.60 = 819,194.40/x
  3. Step 3: Cross multiply
    976,658.40x = 1,464,987.60 × 819,194.40
  4. Step 4: Simplify right side
    976,658.40x = 1,200,109,637,989.44
  5. Step 5: Solve for x
    x = 1,200,109,637,989.44/976,658.40
  6. Step 6: Final answer
    x = 1,228,791.60

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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.