Home / 1,229,570.19-1,696,803.51-685,706.56

Finding the Fourth Proportional to 1,229,570.19, 1,696,803.51 and 685,706.56

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Solution

The fourth proportional to 1,229,570.19, 1,696,803.51 and 685,706.56 is: 946,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,570.19 : 1,696,803.51 = 685,706.56 : x
  2. Step 2: Convert to fraction form
    1,229,570.19/1,696,803.51 = 685,706.56/x
  3. Step 3: Cross multiply
    1,229,570.19x = 1,696,803.51 × 685,706.56
  4. Step 4: Simplify right side
    1,229,570.19x = 1,163,509,297,838.03
  5. Step 5: Solve for x
    x = 1,163,509,297,838.03/1,229,570.19
  6. Step 6: Final answer
    x = 946,273.18

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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.