Home / 1,229,514.54-1,696,739.04-685,685.40

Finding the Fourth Proportional to 1,229,514.54, 1,696,739.04 and 685,685.40

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Solution

The fourth proportional to 1,229,514.54, 1,696,739.04 and 685,685.40 is: 946,250.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,514.54 : 1,696,739.04 = 685,685.40 : x
  2. Step 2: Convert to fraction form
    1,229,514.54/1,696,739.04 = 685,685.40/x
  3. Step 3: Cross multiply
    1,229,514.54x = 1,696,739.04 × 685,685.40
  4. Step 4: Simplify right side
    1,229,514.54x = 1,163,429,187,338.02
  5. Step 5: Solve for x
    x = 1,163,429,187,338.02/1,229,514.54
  6. Step 6: Final answer
    x = 946,250.86

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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.