Home / 1,290,515.52-1,934,091.36-658,896.96

Finding the Fourth Proportional to 1,290,515.52, 1,934,091.36 and 658,896.96

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Solution

The fourth proportional to 1,290,515.52, 1,934,091.36 and 658,896.96 is: 987,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,515.52 : 1,934,091.36 = 658,896.96 : x
  2. Step 2: Convert to fraction form
    1,290,515.52/1,934,091.36 = 658,896.96/x
  3. Step 3: Cross multiply
    1,290,515.52x = 1,934,091.36 × 658,896.96
  4. Step 4: Simplify right side
    1,290,515.52x = 1,274,366,917,466.27
  5. Step 5: Solve for x
    x = 1,274,366,917,466.27/1,290,515.52
  6. Step 6: Final answer
    x = 987,486.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.