Home / 1,705,908.80-2,557,696.80-807,780.80

Finding the Fourth Proportional to 1,705,908.80, 2,557,696.80 and 807,780.80

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Solution

The fourth proportional to 1,705,908.80, 2,557,696.80 and 807,780.80 is: 1,211,118.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,908.80 : 2,557,696.80 = 807,780.80 : x
  2. Step 2: Convert to fraction form
    1,705,908.80/2,557,696.80 = 807,780.80/x
  3. Step 3: Cross multiply
    1,705,908.80x = 2,557,696.80 × 807,780.80
  4. Step 4: Simplify right side
    1,705,908.80x = 2,066,058,367,261.44
  5. Step 5: Solve for x
    x = 2,066,058,367,261.44/1,705,908.80
  6. Step 6: Final answer
    x = 1,211,118.89

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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.