Home / 1,221,668.52-1,685,845.44-677,798.52

Finding the Fourth Proportional to 1,221,668.52, 1,685,845.44 and 677,798.52

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Solution

The fourth proportional to 1,221,668.52, 1,685,845.44 and 677,798.52 is: 935,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,668.52 : 1,685,845.44 = 677,798.52 : x
  2. Step 2: Convert to fraction form
    1,221,668.52/1,685,845.44 = 677,798.52/x
  3. Step 3: Cross multiply
    1,221,668.52x = 1,685,845.44 × 677,798.52
  4. Step 4: Simplify right side
    1,221,668.52x = 1,142,663,544,180.75
  5. Step 5: Solve for x
    x = 1,142,663,544,180.75/1,221,668.52
  6. Step 6: Final answer
    x = 935,330.27

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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.