Home / 1,261,570.76-1,891,656.06-419,663.24

Finding the Fourth Proportional to 1,261,570.76, 1,891,656.06 and 419,663.24

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Solution

The fourth proportional to 1,261,570.76, 1,891,656.06 and 419,663.24 is: 629,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,570.76 : 1,891,656.06 = 419,663.24 : x
  2. Step 2: Convert to fraction form
    1,261,570.76/1,891,656.06 = 419,663.24/x
  3. Step 3: Cross multiply
    1,261,570.76x = 1,891,656.06 × 419,663.24
  4. Step 4: Simplify right side
    1,261,570.76x = 793,858,511,105.23
  5. Step 5: Solve for x
    x = 793,858,511,105.23/1,261,570.76
  6. Step 6: Final answer
    x = 629,261.98

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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.