Home / 1,556,346.36-2,334,344.20-419,191.79

Finding the Fourth Proportional to 1,556,346.36, 2,334,344.20 and 419,191.79

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Solution

The fourth proportional to 1,556,346.36, 2,334,344.20 and 419,191.79 is: 628,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,346.36 : 2,334,344.20 = 419,191.79 : x
  2. Step 2: Convert to fraction form
    1,556,346.36/2,334,344.20 = 419,191.79/x
  3. Step 3: Cross multiply
    1,556,346.36x = 2,334,344.20 × 419,191.79
  4. Step 4: Simplify right side
    1,556,346.36x = 978,537,923,674.12
  5. Step 5: Solve for x
    x = 978,537,923,674.12/1,556,346.36
  6. Step 6: Final answer
    x = 628,740.46

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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.