Home / 1,643,763.26-2,268,196.84-908,618.23

Finding the Fourth Proportional to 1,643,763.26, 2,268,196.84 and 908,618.23

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Solution

The fourth proportional to 1,643,763.26, 2,268,196.84 and 908,618.23 is: 1,253,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,763.26 : 2,268,196.84 = 908,618.23 : x
  2. Step 2: Convert to fraction form
    1,643,763.26/2,268,196.84 = 908,618.23/x
  3. Step 3: Cross multiply
    1,643,763.26x = 2,268,196.84 × 908,618.23
  4. Step 4: Simplify right side
    1,643,763.26x = 2,060,924,982,168.32
  5. Step 5: Solve for x
    x = 2,060,924,982,168.32/1,643,763.26
  6. Step 6: Final answer
    x = 1,253,784.56

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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.