Home / 1,258,578.01-1,736,840.62-685,605.88

Finding the Fourth Proportional to 1,258,578.01, 1,736,840.62 and 685,605.88

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Solution

The fourth proportional to 1,258,578.01, 1,736,840.62 and 685,605.88 is: 946,137.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,578.01 : 1,736,840.62 = 685,605.88 : x
  2. Step 2: Convert to fraction form
    1,258,578.01/1,736,840.62 = 685,605.88/x
  3. Step 3: Cross multiply
    1,258,578.01x = 1,736,840.62 × 685,605.88
  4. Step 4: Simplify right side
    1,258,578.01x = 1,190,788,141,694.85
  5. Step 5: Solve for x
    x = 1,190,788,141,694.85/1,258,578.01
  6. Step 6: Final answer
    x = 946,137.73

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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.