Home / 1,554,940.78-2,145,992.56-866,675.46

Finding the Fourth Proportional to 1,554,940.78, 2,145,992.56 and 866,675.46

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Solution

The fourth proportional to 1,554,940.78, 2,145,992.56 and 866,675.46 is: 1,196,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,940.78 : 2,145,992.56 = 866,675.46 : x
  2. Step 2: Convert to fraction form
    1,554,940.78/2,145,992.56 = 866,675.46/x
  3. Step 3: Cross multiply
    1,554,940.78x = 2,145,992.56 × 866,675.46
  4. Step 4: Simplify right side
    1,554,940.78x = 1,859,879,089,094.58
  5. Step 5: Solve for x
    x = 1,859,879,089,094.58/1,554,940.78
  6. Step 6: Final answer
    x = 1,196,109.28

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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.