Home / 1,258,838.56-1,737,197.19-685,878.73

Finding the Fourth Proportional to 1,258,838.56, 1,737,197.19 and 685,878.73

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Solution

The fourth proportional to 1,258,838.56, 1,737,197.19 and 685,878.73 is: 946,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,838.56 : 1,737,197.19 = 685,878.73 : x
  2. Step 2: Convert to fraction form
    1,258,838.56/1,737,197.19 = 685,878.73/x
  3. Step 3: Cross multiply
    1,258,838.56x = 1,737,197.19 × 685,878.73
  4. Step 4: Simplify right side
    1,258,838.56x = 1,191,506,602,436.77
  5. Step 5: Solve for x
    x = 1,191,506,602,436.77/1,258,838.56
  6. Step 6: Final answer
    x = 946,512.63

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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.