Home / 1,305,235.86-1,957,906.86-621,771.36

Finding the Fourth Proportional to 1,305,235.86, 1,957,906.86 and 621,771.36

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Solution

The fourth proportional to 1,305,235.86, 1,957,906.86 and 621,771.36 is: 932,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,235.86 : 1,957,906.86 = 621,771.36 : x
  2. Step 2: Convert to fraction form
    1,305,235.86/1,957,906.86 = 621,771.36/x
  3. Step 3: Cross multiply
    1,305,235.86x = 1,957,906.86 × 621,771.36
  4. Step 4: Simplify right side
    1,305,235.86x = 1,217,370,411,095.53
  5. Step 5: Solve for x
    x = 1,217,370,411,095.53/1,305,235.86
  6. Step 6: Final answer
    x = 932,682.32

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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.