Home / 1,258,873.19-1,737,245.27-685,913.37

Finding the Fourth Proportional to 1,258,873.19, 1,737,245.27 and 685,913.37

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Solution

The fourth proportional to 1,258,873.19, 1,737,245.27 and 685,913.37 is: 946,560.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,873.19 : 1,737,245.27 = 685,913.37 : x
  2. Step 2: Convert to fraction form
    1,258,873.19/1,737,245.27 = 685,913.37/x
  3. Step 3: Cross multiply
    1,258,873.19x = 1,737,245.27 × 685,913.37
  4. Step 4: Simplify right side
    1,258,873.19x = 1,191,599,752,862.37
  5. Step 5: Solve for x
    x = 1,191,599,752,862.37/1,258,873.19
  6. Step 6: Final answer
    x = 946,560.59

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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.