Home / 1,229,415.71-1,696,603.32-685,586.73

Finding the Fourth Proportional to 1,229,415.71, 1,696,603.32 and 685,586.73

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Solution

The fourth proportional to 1,229,415.71, 1,696,603.32 and 685,586.73 is: 946,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,415.71 : 1,696,603.32 = 685,586.73 : x
  2. Step 2: Convert to fraction form
    1,229,415.71/1,696,603.32 = 685,586.73/x
  3. Step 3: Cross multiply
    1,229,415.71x = 1,696,603.32 × 685,586.73
  4. Step 4: Simplify right side
    1,229,415.71x = 1,163,168,728,628.21
  5. Step 5: Solve for x
    x = 1,163,168,728,628.21/1,229,415.71
  6. Step 6: Final answer
    x = 946,115.07

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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.