Home / 1,220,556.63-1,830,584.75-462,136.44

Finding the Fourth Proportional to 1,220,556.63, 1,830,584.75 and 462,136.44

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Solution

The fourth proportional to 1,220,556.63, 1,830,584.75 and 462,136.44 is: 693,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,556.63 : 1,830,584.75 = 462,136.44 : x
  2. Step 2: Convert to fraction form
    1,220,556.63/1,830,584.75 = 462,136.44/x
  3. Step 3: Cross multiply
    1,220,556.63x = 1,830,584.75 × 462,136.44
  4. Step 4: Simplify right side
    1,220,556.63x = 845,979,917,172.61
  5. Step 5: Solve for x
    x = 845,979,917,172.61/1,220,556.63
  6. Step 6: Final answer
    x = 693,109.93

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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.