Home / 1,261,234.84-1,737,546.78-878,569.24

Finding the Fourth Proportional to 1,261,234.84, 1,737,546.78 and 878,569.24

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Solution

The fourth proportional to 1,261,234.84, 1,737,546.78 and 878,569.24 is: 1,210,365.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,234.84 : 1,737,546.78 = 878,569.24 : x
  2. Step 2: Convert to fraction form
    1,261,234.84/1,737,546.78 = 878,569.24/x
  3. Step 3: Cross multiply
    1,261,234.84x = 1,737,546.78 × 878,569.24
  4. Step 4: Simplify right side
    1,261,234.84x = 1,526,555,153,969.05
  5. Step 5: Solve for x
    x = 1,526,555,153,969.05/1,261,234.84
  6. Step 6: Final answer
    x = 1,210,365.51

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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.