Home / 1,129,584.40-1,558,837.30-620,297.44

Finding the Fourth Proportional to 1,129,584.40, 1,558,837.30 and 620,297.44

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Solution

The fourth proportional to 1,129,584.40, 1,558,837.30 and 620,297.44 is: 856,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,584.40 : 1,558,837.30 = 620,297.44 : x
  2. Step 2: Convert to fraction form
    1,129,584.40/1,558,837.30 = 620,297.44/x
  3. Step 3: Cross multiply
    1,129,584.40x = 1,558,837.30 × 620,297.44
  4. Step 4: Simplify right side
    1,129,584.40x = 966,942,786,566.51
  5. Step 5: Solve for x
    x = 966,942,786,566.51/1,129,584.40
  6. Step 6: Final answer
    x = 856,016.41

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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.