Home / 1,556,229.96-2,334,148.11-419,082.93

Finding the Fourth Proportional to 1,556,229.96, 2,334,148.11 and 419,082.93

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Solution

The fourth proportional to 1,556,229.96, 2,334,148.11 and 419,082.93 is: 628,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,229.96 : 2,334,148.11 = 419,082.93 : x
  2. Step 2: Convert to fraction form
    1,556,229.96/2,334,148.11 = 419,082.93/x
  3. Step 3: Cross multiply
    1,556,229.96x = 2,334,148.11 × 419,082.93
  4. Step 4: Simplify right side
    1,556,229.96x = 978,201,628,992.76
  5. Step 5: Solve for x
    x = 978,201,628,992.76/1,556,229.96
  6. Step 6: Final answer
    x = 628,571.39

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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.