Home / 1,075,515.36-1,614,268.80-543,410.88

Finding the Fourth Proportional to 1,075,515.36, 1,614,268.80 and 543,410.88

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Solution

The fourth proportional to 1,075,515.36, 1,614,268.80 and 543,410.88 is: 815,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,515.36 : 1,614,268.80 = 543,410.88 : x
  2. Step 2: Convert to fraction form
    1,075,515.36/1,614,268.80 = 543,410.88/x
  3. Step 3: Cross multiply
    1,075,515.36x = 1,614,268.80 × 543,410.88
  4. Step 4: Simplify right side
    1,075,515.36x = 877,211,229,164.54
  5. Step 5: Solve for x
    x = 877,211,229,164.54/1,075,515.36
  6. Step 6: Final answer
    x = 815,619.43

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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.