Home / 1,127,819.56-1,556,435.94-618,540.52

Finding the Fourth Proportional to 1,127,819.56, 1,556,435.94 and 618,540.52

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Solution

The fourth proportional to 1,127,819.56, 1,556,435.94 and 618,540.52 is: 853,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,819.56 : 1,556,435.94 = 618,540.52 : x
  2. Step 2: Convert to fraction form
    1,127,819.56/1,556,435.94 = 618,540.52/x
  3. Step 3: Cross multiply
    1,127,819.56x = 1,556,435.94 × 618,540.52
  4. Step 4: Simplify right side
    1,127,819.56x = 962,718,695,674.29
  5. Step 5: Solve for x
    x = 962,718,695,674.29/1,127,819.56
  6. Step 6: Final answer
    x = 853,610.57

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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.