Home / 1,409,783.56-1,945,503.26-765,203.90

Finding the Fourth Proportional to 1,409,783.56, 1,945,503.26 and 765,203.90

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Solution

The fourth proportional to 1,409,783.56, 1,945,503.26 and 765,203.90 is: 1,055,982.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,783.56 : 1,945,503.26 = 765,203.90 : x
  2. Step 2: Convert to fraction form
    1,409,783.56/1,945,503.26 = 765,203.90/x
  3. Step 3: Cross multiply
    1,409,783.56x = 1,945,503.26 × 765,203.90
  4. Step 4: Simplify right side
    1,409,783.56x = 1,488,706,682,014.71
  5. Step 5: Solve for x
    x = 1,488,706,682,014.71/1,409,783.56
  6. Step 6: Final answer
    x = 1,055,982.44

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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.