Home / 1,218,553.89-1,681,074.96-734,850.24

Finding the Fourth Proportional to 1,218,553.89, 1,681,074.96 and 734,850.24

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Solution

The fourth proportional to 1,218,553.89, 1,681,074.96 and 734,850.24 is: 1,013,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,553.89 : 1,681,074.96 = 734,850.24 : x
  2. Step 2: Convert to fraction form
    1,218,553.89/1,681,074.96 = 734,850.24/x
  3. Step 3: Cross multiply
    1,218,553.89x = 1,681,074.96 × 734,850.24
  4. Step 4: Simplify right side
    1,218,553.89x = 1,235,338,337,813.99
  5. Step 5: Solve for x
    x = 1,235,338,337,813.99/1,218,553.89
  6. Step 6: Final answer
    x = 1,013,774.07

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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.