Home / 1,431,398.83-1,975,334.48-819,560.97

Finding the Fourth Proportional to 1,431,398.83, 1,975,334.48 and 819,560.97

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Solution

The fourth proportional to 1,431,398.83, 1,975,334.48 and 819,560.97 is: 1,130,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,398.83 : 1,975,334.48 = 819,560.97 : x
  2. Step 2: Convert to fraction form
    1,431,398.83/1,975,334.48 = 819,560.97/x
  3. Step 3: Cross multiply
    1,431,398.83x = 1,975,334.48 × 819,560.97
  4. Step 4: Simplify right side
    1,431,398.83x = 1,618,907,042,503.25
  5. Step 5: Solve for x
    x = 1,618,907,042,503.25/1,431,398.83
  6. Step 6: Final answer
    x = 1,130,996.48

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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.