Home / 1,643,577.56-2,268,093.44-918,431.24

Finding the Fourth Proportional to 1,643,577.56, 2,268,093.44 and 918,431.24

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Solution

The fourth proportional to 1,643,577.56, 2,268,093.44 and 918,431.24 is: 1,267,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,577.56 : 2,268,093.44 = 918,431.24 : x
  2. Step 2: Convert to fraction form
    1,643,577.56/2,268,093.44 = 918,431.24/x
  3. Step 3: Cross multiply
    1,643,577.56x = 2,268,093.44 × 918,431.24
  4. Step 4: Simplify right side
    1,643,577.56x = 2,083,087,870,535.07
  5. Step 5: Solve for x
    x = 2,083,087,870,535.07/1,643,577.56
  6. Step 6: Final answer
    x = 1,267,410.75

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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.