Home / 1,213,234.11-1,820,043.41-403,647.39

Finding the Fourth Proportional to 1,213,234.11, 1,820,043.41 and 403,647.39

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Solution

The fourth proportional to 1,213,234.11, 1,820,043.41 and 403,647.39 is: 605,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,234.11 : 1,820,043.41 = 403,647.39 : x
  2. Step 2: Convert to fraction form
    1,213,234.11/1,820,043.41 = 403,647.39/x
  3. Step 3: Cross multiply
    1,213,234.11x = 1,820,043.41 × 403,647.39
  4. Step 4: Simplify right side
    1,213,234.11x = 734,655,770,114.96
  5. Step 5: Solve for x
    x = 734,655,770,114.96/1,213,234.11
  6. Step 6: Final answer
    x = 605,535.04

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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.