Home / 1,964,735.40-2,947,477.64-685,708.23

Finding the Fourth Proportional to 1,964,735.40, 2,947,477.64 and 685,708.23

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Solution

The fourth proportional to 1,964,735.40, 2,947,477.64 and 685,708.23 is: 1,028,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,735.40 : 2,947,477.64 = 685,708.23 : x
  2. Step 2: Convert to fraction form
    1,964,735.40/2,947,477.64 = 685,708.23/x
  3. Step 3: Cross multiply
    1,964,735.40x = 2,947,477.64 × 685,708.23
  4. Step 4: Simplify right side
    1,964,735.40x = 2,021,109,672,060.44
  5. Step 5: Solve for x
    x = 2,021,109,672,060.44/1,964,735.40
  6. Step 6: Final answer
    x = 1,028,693.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.