Home / 1,409,750.82-1,945,404.03-765,157.23

Finding the Fourth Proportional to 1,409,750.82, 1,945,404.03 and 765,157.23

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Solution

The fourth proportional to 1,409,750.82, 1,945,404.03 and 765,157.23 is: 1,055,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,750.82 : 1,945,404.03 = 765,157.23 : x
  2. Step 2: Convert to fraction form
    1,409,750.82/1,945,404.03 = 765,157.23/x
  3. Step 3: Cross multiply
    1,409,750.82x = 1,945,404.03 × 765,157.23
  4. Step 4: Simplify right side
    1,409,750.82x = 1,488,539,958,825.64
  5. Step 5: Solve for x
    x = 1,488,539,958,825.64/1,409,750.82
  6. Step 6: Final answer
    x = 1,055,888.70

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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.