Home / 1,258,865.22-1,737,246.75-685,914.96

Finding the Fourth Proportional to 1,258,865.22, 1,737,246.75 and 685,914.96

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Solution

The fourth proportional to 1,258,865.22, 1,737,246.75 and 685,914.96 is: 946,569.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,865.22 : 1,737,246.75 = 685,914.96 : x
  2. Step 2: Convert to fraction form
    1,258,865.22/1,737,246.75 = 685,914.96/x
  3. Step 3: Cross multiply
    1,258,865.22x = 1,737,246.75 × 685,914.96
  4. Step 4: Simplify right side
    1,258,865.22x = 1,191,603,535,036.38
  5. Step 5: Solve for x
    x = 1,191,603,535,036.38/1,258,865.22
  6. Step 6: Final answer
    x = 946,569.59

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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.