Home / 1,257,873.75-1,735,894.26-713,958.64

Finding the Fourth Proportional to 1,257,873.75, 1,735,894.26 and 713,958.64

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Solution

The fourth proportional to 1,257,873.75, 1,735,894.26 and 713,958.64 is: 985,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,873.75 : 1,735,894.26 = 713,958.64 : x
  2. Step 2: Convert to fraction form
    1,257,873.75/1,735,894.26 = 713,958.64/x
  3. Step 3: Cross multiply
    1,257,873.75x = 1,735,894.26 × 713,958.64
  4. Step 4: Simplify right side
    1,257,873.75x = 1,239,356,700,713.67
  5. Step 5: Solve for x
    x = 1,239,356,700,713.67/1,257,873.75
  6. Step 6: Final answer
    x = 985,279.09

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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.