Home / 1,161,992.81-1,603,301.33-678,338.44

Finding the Fourth Proportional to 1,161,992.81, 1,603,301.33 and 678,338.44

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Solution

The fourth proportional to 1,161,992.81, 1,603,301.33 and 678,338.44 is: 935,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,992.81 : 1,603,301.33 = 678,338.44 : x
  2. Step 2: Convert to fraction form
    1,161,992.81/1,603,301.33 = 678,338.44/x
  3. Step 3: Cross multiply
    1,161,992.81x = 1,603,301.33 × 678,338.44
  4. Step 4: Simplify right side
    1,161,992.81x = 1,087,580,915,642.18
  5. Step 5: Solve for x
    x = 1,087,580,915,642.18/1,161,992.81
  6. Step 6: Final answer
    x = 935,961.83

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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.