Home / 1,694,447.40-2,540,979.90-571,938.60

Finding the Fourth Proportional to 1,694,447.40, 2,540,979.90 and 571,938.60

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Solution

The fourth proportional to 1,694,447.40, 2,540,979.90 and 571,938.60 is: 857,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,447.40 : 2,540,979.90 = 571,938.60 : x
  2. Step 2: Convert to fraction form
    1,694,447.40/2,540,979.90 = 571,938.60/x
  3. Step 3: Cross multiply
    1,694,447.40x = 2,540,979.90 × 571,938.60
  4. Step 4: Simplify right side
    1,694,447.40x = 1,453,284,486,634.14
  5. Step 5: Solve for x
    x = 1,453,284,486,634.14/1,694,447.40
  6. Step 6: Final answer
    x = 857,674.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.