Home / 1,356,536.26-1,871,951.34-805,275.55

Finding the Fourth Proportional to 1,356,536.26, 1,871,951.34 and 805,275.55

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Solution

The fourth proportional to 1,356,536.26, 1,871,951.34 and 805,275.55 is: 1,111,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,536.26 : 1,871,951.34 = 805,275.55 : x
  2. Step 2: Convert to fraction form
    1,356,536.26/1,871,951.34 = 805,275.55/x
  3. Step 3: Cross multiply
    1,356,536.26x = 1,871,951.34 × 805,275.55
  4. Step 4: Simplify right side
    1,356,536.26x = 1,507,436,644,891.74
  5. Step 5: Solve for x
    x = 1,507,436,644,891.74/1,356,536.26
  6. Step 6: Final answer
    x = 1,111,239.48

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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.