Home / 1,192,768.80-1,788,540.30-351,211.20

Finding the Fourth Proportional to 1,192,768.80, 1,788,540.30 and 351,211.20

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Solution

The fourth proportional to 1,192,768.80, 1,788,540.30 and 351,211.20 is: 526,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,768.80 : 1,788,540.30 = 351,211.20 : x
  2. Step 2: Convert to fraction form
    1,192,768.80/1,788,540.30 = 351,211.20/x
  3. Step 3: Cross multiply
    1,192,768.80x = 1,788,540.30 × 351,211.20
  4. Step 4: Simplify right side
    1,192,768.80x = 628,155,385,011.36
  5. Step 5: Solve for x
    x = 628,155,385,011.36/1,192,768.80
  6. Step 6: Final answer
    x = 526,636.33

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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.