Home / 621,918.57-933,075.09-222,550.50

Finding the Fourth Proportional to 621,918.57, 933,075.09 and 222,550.50

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Solution

The fourth proportional to 621,918.57, 933,075.09 and 222,550.50 is: 333,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,918.57 : 933,075.09 = 222,550.50 : x
  2. Step 2: Convert to fraction form
    621,918.57/933,075.09 = 222,550.50/x
  3. Step 3: Cross multiply
    621,918.57x = 933,075.09 × 222,550.50
  4. Step 4: Simplify right side
    621,918.57x = 207,656,327,817.05
  5. Step 5: Solve for x
    x = 207,656,327,817.05/621,918.57
  6. Step 6: Final answer
    x = 333,896.33

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1.5x scale

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.