Home / 809,075.39-1,116,943.77-591,039.23

Finding the Fourth Proportional to 809,075.39, 1,116,943.77 and 591,039.23

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Solution

The fourth proportional to 809,075.39, 1,116,943.77 and 591,039.23 is: 815,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,075.39 : 1,116,943.77 = 591,039.23 : x
  2. Step 2: Convert to fraction form
    809,075.39/1,116,943.77 = 591,039.23/x
  3. Step 3: Cross multiply
    809,075.39x = 1,116,943.77 × 591,039.23
  4. Step 4: Simplify right side
    809,075.39x = 660,157,584,532.81
  5. Step 5: Solve for x
    x = 660,157,584,532.81/809,075.39
  6. Step 6: Final answer
    x = 815,940.76

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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.