Home / 1,259,940.65-1,738,674.79-716,066.96

Finding the Fourth Proportional to 1,259,940.65, 1,738,674.79 and 716,066.96

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Solution

The fourth proportional to 1,259,940.65, 1,738,674.79 and 716,066.96 is: 988,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,940.65 : 1,738,674.79 = 716,066.96 : x
  2. Step 2: Convert to fraction form
    1,259,940.65/1,738,674.79 = 716,066.96/x
  3. Step 3: Cross multiply
    1,259,940.65x = 1,738,674.79 × 716,066.96
  4. Step 4: Simplify right side
    1,259,940.65x = 1,245,007,560,820.40
  5. Step 5: Solve for x
    x = 1,245,007,560,820.40/1,259,940.65
  6. Step 6: Final answer
    x = 988,147.79

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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.