Home / 1,258,879.40-1,737,204.84-685,923.88

Finding the Fourth Proportional to 1,258,879.40, 1,737,204.84 and 685,923.88

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Solution

The fourth proportional to 1,258,879.40, 1,737,204.84 and 685,923.88 is: 946,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,879.40 : 1,737,204.84 = 685,923.88 : x
  2. Step 2: Convert to fraction form
    1,258,879.40/1,737,204.84 = 685,923.88/x
  3. Step 3: Cross multiply
    1,258,879.40x = 1,737,204.84 × 685,923.88
  4. Step 4: Simplify right side
    1,258,879.40x = 1,191,590,284,207.58
  5. Step 5: Solve for x
    x = 1,191,590,284,207.58/1,258,879.40
  6. Step 6: Final answer
    x = 946,548.40

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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.