Home / 622,075.20-933,112.80-201,393.60

Finding the Fourth Proportional to 622,075.20, 933,112.80 and 201,393.60

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Solution

The fourth proportional to 622,075.20, 933,112.80 and 201,393.60 is: 302,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,075.20 : 933,112.80 = 201,393.60 : x
  2. Step 2: Convert to fraction form
    622,075.20/933,112.80 = 201,393.60/x
  3. Step 3: Cross multiply
    622,075.20x = 933,112.80 × 201,393.60
  4. Step 4: Simplify right side
    622,075.20x = 187,922,945,998.08
  5. Step 5: Solve for x
    x = 187,922,945,998.08/622,075.20
  6. Step 6: Final answer
    x = 302,090.40

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Similar ratio
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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.