Home / 1,726,707.69-2,591,857.97-1,271,812.56

Finding the Fourth Proportional to 1,726,707.69, 2,591,857.97 and 1,271,812.56

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Solution

The fourth proportional to 1,726,707.69, 2,591,857.97 and 1,271,812.56 is: 1,909,042.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,707.69 : 2,591,857.97 = 1,271,812.56 : x
  2. Step 2: Convert to fraction form
    1,726,707.69/2,591,857.97 = 1,271,812.56/x
  3. Step 3: Cross multiply
    1,726,707.69x = 2,591,857.97 × 1,271,812.56
  4. Step 4: Simplify right side
    1,726,707.69x = 3,296,357,508,672.87
  5. Step 5: Solve for x
    x = 3,296,357,508,672.87/1,726,707.69
  6. Step 6: Final answer
    x = 1,909,042.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.