Home / 1,229,514.79-1,696,739.39-685,685.65

Finding the Fourth Proportional to 1,229,514.79, 1,696,739.39 and 685,685.65

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Solution

The fourth proportional to 1,229,514.79, 1,696,739.39 and 685,685.65 is: 946,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,514.79 : 1,696,739.39 = 685,685.65 : x
  2. Step 2: Convert to fraction form
    1,229,514.79/1,696,739.39 = 685,685.65/x
  3. Step 3: Cross multiply
    1,229,514.79x = 1,696,739.39 × 685,685.65
  4. Step 4: Simplify right side
    1,229,514.79x = 1,163,429,848,084.33
  5. Step 5: Solve for x
    x = 1,163,429,848,084.33/1,229,514.79
  6. Step 6: Final answer
    x = 946,251.20

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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.