Home / 1,409,756.30-1,945,411.57-765,162.75

Finding the Fourth Proportional to 1,409,756.30, 1,945,411.57 and 765,162.75

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Solution

The fourth proportional to 1,409,756.30, 1,945,411.57 and 765,162.75 is: 1,055,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,756.30 : 1,945,411.57 = 765,162.75 : x
  2. Step 2: Convert to fraction form
    1,409,756.30/1,945,411.57 = 765,162.75/x
  3. Step 3: Cross multiply
    1,409,756.30x = 1,945,411.57 × 765,162.75
  4. Step 4: Simplify right side
    1,409,756.30x = 1,488,556,462,957.20
  5. Step 5: Solve for x
    x = 1,488,556,462,957.20/1,409,756.30
  6. Step 6: Final answer
    x = 1,055,896.31

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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.