Home / 1,556,347.25-2,334,345.49-419,192.66

Finding the Fourth Proportional to 1,556,347.25, 2,334,345.49 and 419,192.66

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Solution

The fourth proportional to 1,556,347.25, 2,334,345.49 and 419,192.66 is: 628,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,347.25 : 2,334,345.49 = 419,192.66 : x
  2. Step 2: Convert to fraction form
    1,556,347.25/2,334,345.49 = 419,192.66/x
  3. Step 3: Cross multiply
    1,556,347.25x = 2,334,345.49 × 419,192.66
  4. Step 4: Simplify right side
    1,556,347.25x = 978,540,481,544.41
  5. Step 5: Solve for x
    x = 978,540,481,544.41/1,556,347.25
  6. Step 6: Final answer
    x = 628,741.74

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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.