Home / 1,075,157.12-1,483,716.48-622,438.40

Finding the Fourth Proportional to 1,075,157.12, 1,483,716.48 and 622,438.40

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Solution

The fourth proportional to 1,075,157.12, 1,483,716.48 and 622,438.40 is: 858,964.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,157.12 : 1,483,716.48 = 622,438.40 : x
  2. Step 2: Convert to fraction form
    1,075,157.12/1,483,716.48 = 622,438.40/x
  3. Step 3: Cross multiply
    1,075,157.12x = 1,483,716.48 × 622,438.40
  4. Step 4: Simplify right side
    1,075,157.12x = 923,522,111,864.83
  5. Step 5: Solve for x
    x = 923,522,111,864.83/1,075,157.12
  6. Step 6: Final answer
    x = 858,964.79

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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.