Home / 1,643,758.94-2,268,395.73-918,618.77

Finding the Fourth Proportional to 1,643,758.94, 2,268,395.73 and 918,618.77

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Solution

The fourth proportional to 1,643,758.94, 2,268,395.73 and 918,618.77 is: 1,267,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,758.94 : 2,268,395.73 = 918,618.77 : x
  2. Step 2: Convert to fraction form
    1,643,758.94/2,268,395.73 = 918,618.77/x
  3. Step 3: Cross multiply
    1,643,758.94x = 2,268,395.73 × 918,618.77
  4. Step 4: Simplify right side
    1,643,758.94x = 2,083,790,901,036.84
  5. Step 5: Solve for x
    x = 2,083,790,901,036.84/1,643,758.94
  6. Step 6: Final answer
    x = 1,267,698.59

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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.