Home / 1,104,287.78-1,523,961.14-620,851.43

Finding the Fourth Proportional to 1,104,287.78, 1,523,961.14 and 620,851.43

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Solution

The fourth proportional to 1,104,287.78, 1,523,961.14 and 620,851.43 is: 856,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,287.78 : 1,523,961.14 = 620,851.43 : x
  2. Step 2: Convert to fraction form
    1,104,287.78/1,523,961.14 = 620,851.43/x
  3. Step 3: Cross multiply
    1,104,287.78x = 1,523,961.14 × 620,851.43
  4. Step 4: Simplify right side
    1,104,287.78x = 946,153,453,739.08
  5. Step 5: Solve for x
    x = 946,153,453,739.08/1,104,287.78
  6. Step 6: Final answer
    x = 856,799.71

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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.