Home / 1,335,540.49-1,843,079.70-819,579.31

Finding the Fourth Proportional to 1,335,540.49, 1,843,079.70 and 819,579.31

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Solution

The fourth proportional to 1,335,540.49, 1,843,079.70 and 819,579.31 is: 1,131,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,540.49 : 1,843,079.70 = 819,579.31 : x
  2. Step 2: Convert to fraction form
    1,335,540.49/1,843,079.70 = 819,579.31/x
  3. Step 3: Cross multiply
    1,335,540.49x = 1,843,079.70 × 819,579.31
  4. Step 4: Simplify right side
    1,335,540.49x = 1,510,549,988,801.01
  5. Step 5: Solve for x
    x = 1,510,549,988,801.01/1,335,540.49
  6. Step 6: Final answer
    x = 1,131,040.20

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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.