Home / 1,681,556.58-2,320,597.44-917,659.44

Finding the Fourth Proportional to 1,681,556.58, 2,320,597.44 and 917,659.44

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Solution

The fourth proportional to 1,681,556.58, 2,320,597.44 and 917,659.44 is: 1,266,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,556.58 : 2,320,597.44 = 917,659.44 : x
  2. Step 2: Convert to fraction form
    1,681,556.58/2,320,597.44 = 917,659.44/x
  3. Step 3: Cross multiply
    1,681,556.58x = 2,320,597.44 × 917,659.44
  4. Step 4: Simplify right side
    1,681,556.58x = 2,129,518,147,255.83
  5. Step 5: Solve for x
    x = 2,129,518,147,255.83/1,681,556.58
  6. Step 6: Final answer
    x = 1,266,396.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.