Home / 1,120,919.82-1,546,903.43-637,554.48

Finding the Fourth Proportional to 1,120,919.82, 1,546,903.43 and 637,554.48

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Solution

The fourth proportional to 1,120,919.82, 1,546,903.43 and 637,554.48 is: 879,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,919.82 : 1,546,903.43 = 637,554.48 : x
  2. Step 2: Convert to fraction form
    1,120,919.82/1,546,903.43 = 637,554.48/x
  3. Step 3: Cross multiply
    1,120,919.82x = 1,546,903.43 × 637,554.48
  4. Step 4: Simplify right side
    1,120,919.82x = 986,235,211,923.87
  5. Step 5: Solve for x
    x = 986,235,211,923.87/1,120,919.82
  6. Step 6: Final answer
    x = 879,844.57

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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.