Home / 1,275,719.66-1,760,409.56-702,759.84

Finding the Fourth Proportional to 1,275,719.66, 1,760,409.56 and 702,759.84

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Solution

The fourth proportional to 1,275,719.66, 1,760,409.56 and 702,759.84 is: 969,762.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,719.66 : 1,760,409.56 = 702,759.84 : x
  2. Step 2: Convert to fraction form
    1,275,719.66/1,760,409.56 = 702,759.84/x
  3. Step 3: Cross multiply
    1,275,719.66x = 1,760,409.56 × 702,759.84
  4. Step 4: Simplify right side
    1,275,719.66x = 1,237,145,140,720.07
  5. Step 5: Solve for x
    x = 1,237,145,140,720.07/1,275,719.66
  6. Step 6: Final answer
    x = 969,762.54

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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.