Home / 1,245,507.36-1,868,523.48-403,993.50

Finding the Fourth Proportional to 1,245,507.36, 1,868,523.48 and 403,993.50

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Solution

The fourth proportional to 1,245,507.36, 1,868,523.48 and 403,993.50 is: 606,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,507.36 : 1,868,523.48 = 403,993.50 : x
  2. Step 2: Convert to fraction form
    1,245,507.36/1,868,523.48 = 403,993.50/x
  3. Step 3: Cross multiply
    1,245,507.36x = 1,868,523.48 × 403,993.50
  4. Step 4: Simplify right side
    1,245,507.36x = 754,871,340,517.38
  5. Step 5: Solve for x
    x = 754,871,340,517.38/1,245,507.36
  6. Step 6: Final answer
    x = 606,075.38

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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.