Home / 1,289,324.16-1,932,016.32-540,961.92

Finding the Fourth Proportional to 1,289,324.16, 1,932,016.32 and 540,961.92

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Solution

The fourth proportional to 1,289,324.16, 1,932,016.32 and 540,961.92 is: 810,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,324.16 : 1,932,016.32 = 540,961.92 : x
  2. Step 2: Convert to fraction form
    1,289,324.16/1,932,016.32 = 540,961.92/x
  3. Step 3: Cross multiply
    1,289,324.16x = 1,932,016.32 × 540,961.92
  4. Step 4: Simplify right side
    1,289,324.16x = 1,045,147,257,938.53
  5. Step 5: Solve for x
    x = 1,045,147,257,938.53/1,289,324.16
  6. Step 6: Final answer
    x = 810,616.36

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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.