Home / 809,556.82-1,118,180.37-606,515.74

Finding the Fourth Proportional to 809,556.82, 1,118,180.37 and 606,515.74

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Solution

The fourth proportional to 809,556.82, 1,118,180.37 and 606,515.74 is: 837,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,556.82 : 1,118,180.37 = 606,515.74 : x
  2. Step 2: Convert to fraction form
    809,556.82/1,118,180.37 = 606,515.74/x
  3. Step 3: Cross multiply
    809,556.82x = 1,118,180.37 × 606,515.74
  4. Step 4: Simplify right side
    809,556.82x = 678,193,994,564.02
  5. Step 5: Solve for x
    x = 678,193,994,564.02/809,556.82
  6. Step 6: Final answer
    x = 837,734.89

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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.