Home / 1,258,853.72-1,737,196.26-685,898.60

Finding the Fourth Proportional to 1,258,853.72, 1,737,196.26 and 685,898.60

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Solution

The fourth proportional to 1,258,853.72, 1,737,196.26 and 685,898.60 is: 946,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,853.72 : 1,737,196.26 = 685,898.60 : x
  2. Step 2: Convert to fraction form
    1,258,853.72/1,737,196.26 = 685,898.60/x
  3. Step 3: Cross multiply
    1,258,853.72x = 1,737,196.26 × 685,898.60
  4. Step 4: Simplify right side
    1,258,853.72x = 1,191,540,482,659.24
  5. Step 5: Solve for x
    x = 1,191,540,482,659.24/1,258,853.72
  6. Step 6: Final answer
    x = 946,528.15

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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.