Home / 1,375,713.76-2,052,399.36-1,301,309.92

Finding the Fourth Proportional to 1,375,713.76, 2,052,399.36 and 1,301,309.92

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Solution

The fourth proportional to 1,375,713.76, 2,052,399.36 and 1,301,309.92 is: 1,941,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,713.76 : 2,052,399.36 = 1,301,309.92 : x
  2. Step 2: Convert to fraction form
    1,375,713.76/2,052,399.36 = 1,301,309.92/x
  3. Step 3: Cross multiply
    1,375,713.76x = 2,052,399.36 × 1,301,309.92
  4. Step 4: Simplify right side
    1,375,713.76x = 2,670,807,646,969.65
  5. Step 5: Solve for x
    x = 2,670,807,646,969.65/1,375,713.76
  6. Step 6: Final answer
    x = 1,941,397.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.