Home / 448,075.14-618,572.24-303,643.96

Finding the Fourth Proportional to 448,075.14, 618,572.24 and 303,643.96

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Solution

The fourth proportional to 448,075.14, 618,572.24 and 303,643.96 is: 419,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,075.14 : 618,572.24 = 303,643.96 : x
  2. Step 2: Convert to fraction form
    448,075.14/618,572.24 = 303,643.96/x
  3. Step 3: Cross multiply
    448,075.14x = 618,572.24 × 303,643.96
  4. Step 4: Simplify right side
    448,075.14x = 187,825,724,499.67
  5. Step 5: Solve for x
    x = 187,825,724,499.67/448,075.14
  6. Step 6: Final answer
    x = 419,183.54

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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.