Home / 1,643,538.57-2,268,308.48-945,805.03

Finding the Fourth Proportional to 1,643,538.57, 2,268,308.48 and 945,805.03

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Solution

The fourth proportional to 1,643,538.57, 2,268,308.48 and 945,805.03 is: 1,305,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,538.57 : 2,268,308.48 = 945,805.03 : x
  2. Step 2: Convert to fraction form
    1,643,538.57/2,268,308.48 = 945,805.03/x
  3. Step 3: Cross multiply
    1,643,538.57x = 2,268,308.48 × 945,805.03
  4. Step 4: Simplify right side
    1,643,538.57x = 2,145,377,573,935.71
  5. Step 5: Solve for x
    x = 2,145,377,573,935.71/1,643,538.57
  6. Step 6: Final answer
    x = 1,305,340.57

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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.