Home / 1,258,914.48-1,737,302.28-685,954.80

Finding the Fourth Proportional to 1,258,914.48, 1,737,302.28 and 685,954.80

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Solution

The fourth proportional to 1,258,914.48, 1,737,302.28 and 685,954.80 is: 946,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,914.48 : 1,737,302.28 = 685,954.80 : x
  2. Step 2: Convert to fraction form
    1,258,914.48/1,737,302.28 = 685,954.80/x
  3. Step 3: Cross multiply
    1,258,914.48x = 1,737,302.28 × 685,954.80
  4. Step 4: Simplify right side
    1,258,914.48x = 1,191,710,838,016.94
  5. Step 5: Solve for x
    x = 1,191,710,838,016.94/1,258,914.48
  6. Step 6: Final answer
    x = 946,617.79

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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.