Home / 673,808.80-1,008,380.40-617,821.60

Finding the Fourth Proportional to 673,808.80, 1,008,380.40 and 617,821.60

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Solution

The fourth proportional to 673,808.80, 1,008,380.40 and 617,821.60 is: 924,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,808.80 : 1,008,380.40 = 617,821.60 : x
  2. Step 2: Convert to fraction form
    673,808.80/1,008,380.40 = 617,821.60/x
  3. Step 3: Cross multiply
    673,808.80x = 1,008,380.40 × 617,821.60
  4. Step 4: Simplify right side
    673,808.80x = 622,999,192,136.64
  5. Step 5: Solve for x
    x = 622,999,192,136.64/673,808.80
  6. Step 6: Final answer
    x = 924,593.43

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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.