Home / 1,409,775.50-1,945,492.14-765,195.82

Finding the Fourth Proportional to 1,409,775.50, 1,945,492.14 and 765,195.82

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Solution

The fourth proportional to 1,409,775.50, 1,945,492.14 and 765,195.82 is: 1,055,971.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,775.50 : 1,945,492.14 = 765,195.82 : x
  2. Step 2: Convert to fraction form
    1,409,775.50/1,945,492.14 = 765,195.82/x
  3. Step 3: Cross multiply
    1,409,775.50x = 1,945,492.14 × 765,195.82
  4. Step 4: Simplify right side
    1,409,775.50x = 1,488,682,453,370.85
  5. Step 5: Solve for x
    x = 1,488,682,453,370.85/1,409,775.50
  6. Step 6: Final answer
    x = 1,055,971.29

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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.