Home / 1,257,933.54-1,735,979.40-685,004.88

Finding the Fourth Proportional to 1,257,933.54, 1,735,979.40 and 685,004.88

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Solution

The fourth proportional to 1,257,933.54, 1,735,979.40 and 685,004.88 is: 945,323.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,933.54 : 1,735,979.40 = 685,004.88 : x
  2. Step 2: Convert to fraction form
    1,257,933.54/1,735,979.40 = 685,004.88/x
  3. Step 3: Cross multiply
    1,257,933.54x = 1,735,979.40 × 685,004.88
  4. Step 4: Simplify right side
    1,257,933.54x = 1,189,154,360,579.47
  5. Step 5: Solve for x
    x = 1,189,154,360,579.47/1,257,933.54
  6. Step 6: Final answer
    x = 945,323.68

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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.