Home / 1,919,204.05-2,878,608.26-639,673.27

Finding the Fourth Proportional to 1,919,204.05, 2,878,608.26 and 639,673.27

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Solution

The fourth proportional to 1,919,204.05, 2,878,608.26 and 639,673.27 is: 959,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,204.05 : 2,878,608.26 = 639,673.27 : x
  2. Step 2: Convert to fraction form
    1,919,204.05/2,878,608.26 = 639,673.27/x
  3. Step 3: Cross multiply
    1,919,204.05x = 2,878,608.26 × 639,673.27
  4. Step 4: Simplify right side
    1,919,204.05x = 1,841,368,744,330.17
  5. Step 5: Solve for x
    x = 1,841,368,744,330.17/1,919,204.05
  6. Step 6: Final answer
    x = 959,443.97

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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.