Home / 1,643,560.74-2,268,339.12-945,827.24

Finding the Fourth Proportional to 1,643,560.74, 2,268,339.12 and 945,827.24

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Solution

The fourth proportional to 1,643,560.74, 2,268,339.12 and 945,827.24 is: 1,305,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,560.74 : 2,268,339.12 = 945,827.24 : x
  2. Step 2: Convert to fraction form
    1,643,560.74/2,268,339.12 = 945,827.24/x
  3. Step 3: Cross multiply
    1,643,560.74x = 2,268,339.12 × 945,827.24
  4. Step 4: Simplify right side
    1,643,560.74x = 2,145,456,917,911.93
  5. Step 5: Solve for x
    x = 2,145,456,917,911.93/1,643,560.74
  6. Step 6: Final answer
    x = 1,305,371.24

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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.