Home / 878,324.38-1,211,418.75-756,024.82

Finding the Fourth Proportional to 878,324.38, 1,211,418.75 and 756,024.82

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Solution

The fourth proportional to 878,324.38, 1,211,418.75 and 756,024.82 is: 1,042,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,324.38 : 1,211,418.75 = 756,024.82 : x
  2. Step 2: Convert to fraction form
    878,324.38/1,211,418.75 = 756,024.82/x
  3. Step 3: Cross multiply
    878,324.38x = 1,211,418.75 × 756,024.82
  4. Step 4: Simplify right side
    878,324.38x = 915,862,642,413.38
  5. Step 5: Solve for x
    x = 915,862,642,413.38/878,324.38
  6. Step 6: Final answer
    x = 1,042,738.50

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1.5x scale

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.