Home / 1,368,858.75-2,053,577.33-515,912.34

Finding the Fourth Proportional to 1,368,858.75, 2,053,577.33 and 515,912.34

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Solution

The fourth proportional to 1,368,858.75, 2,053,577.33 and 515,912.34 is: 773,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,858.75 : 2,053,577.33 = 515,912.34 : x
  2. Step 2: Convert to fraction form
    1,368,858.75/2,053,577.33 = 515,912.34/x
  3. Step 3: Cross multiply
    1,368,858.75x = 2,053,577.33 × 515,912.34
  4. Step 4: Simplify right side
    1,368,858.75x = 1,059,465,883,111.69
  5. Step 5: Solve for x
    x = 1,059,465,883,111.69/1,368,858.75
  6. Step 6: Final answer
    x = 773,977.51

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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.