Home / 1,167,815.60-1,751,723.40-419,937.20

Finding the Fourth Proportional to 1,167,815.60, 1,751,723.40 and 419,937.20

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Solution

The fourth proportional to 1,167,815.60, 1,751,723.40 and 419,937.20 is: 629,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,815.60 : 1,751,723.40 = 419,937.20 : x
  2. Step 2: Convert to fraction form
    1,167,815.60/1,751,723.40 = 419,937.20/x
  3. Step 3: Cross multiply
    1,167,815.60x = 1,751,723.40 × 419,937.20
  4. Step 4: Simplify right side
    1,167,815.60x = 735,613,819,770.48
  5. Step 5: Solve for x
    x = 735,613,819,770.48/1,167,815.60
  6. Step 6: Final answer
    x = 629,905.80

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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.