Home / 1,258,764.30-1,737,114.66-685,804.32

Finding the Fourth Proportional to 1,258,764.30, 1,737,114.66 and 685,804.32

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Solution

The fourth proportional to 1,258,764.30, 1,737,114.66 and 685,804.32 is: 946,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,764.30 : 1,737,114.66 = 685,804.32 : x
  2. Step 2: Convert to fraction form
    1,258,764.30/1,737,114.66 = 685,804.32/x
  3. Step 3: Cross multiply
    1,258,764.30x = 1,737,114.66 × 685,804.32
  4. Step 4: Simplify right side
    1,258,764.30x = 1,191,320,738,163.33
  5. Step 5: Solve for x
    x = 1,191,320,738,163.33/1,258,764.30
  6. Step 6: Final answer
    x = 946,420.82

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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.