Home / 1,229,563.94-1,696,794.89-685,700.30

Finding the Fourth Proportional to 1,229,563.94, 1,696,794.89 and 685,700.30

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Solution

The fourth proportional to 1,229,563.94, 1,696,794.89 and 685,700.30 is: 946,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,563.94 : 1,696,794.89 = 685,700.30 : x
  2. Step 2: Convert to fraction form
    1,229,563.94/1,696,794.89 = 685,700.30/x
  3. Step 3: Cross multiply
    1,229,563.94x = 1,696,794.89 × 685,700.30
  4. Step 4: Simplify right side
    1,229,563.94x = 1,163,492,765,924.95
  5. Step 5: Solve for x
    x = 1,163,492,765,924.95/1,229,563.94
  6. Step 6: Final answer
    x = 946,264.55

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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.