Home / 1,128,229.77-1,556,930.37-618,927.69

Finding the Fourth Proportional to 1,128,229.77, 1,556,930.37 and 618,927.69

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Solution

The fourth proportional to 1,128,229.77, 1,556,930.37 and 618,927.69 is: 854,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,229.77 : 1,556,930.37 = 618,927.69 : x
  2. Step 2: Convert to fraction form
    1,128,229.77/1,556,930.37 = 618,927.69/x
  3. Step 3: Cross multiply
    1,128,229.77x = 1,556,930.37 × 618,927.69
  4. Step 4: Simplify right side
    1,128,229.77x = 963,627,317,394.95
  5. Step 5: Solve for x
    x = 963,627,317,394.95/1,128,229.77
  6. Step 6: Final answer
    x = 854,105.56

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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.