Home / 909,605.08-1,255,600.86-683,906.20

Finding the Fourth Proportional to 909,605.08, 1,255,600.86 and 683,906.20

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Solution

The fourth proportional to 909,605.08, 1,255,600.86 and 683,906.20 is: 944,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,605.08 : 1,255,600.86 = 683,906.20 : x
  2. Step 2: Convert to fraction form
    909,605.08/1,255,600.86 = 683,906.20/x
  3. Step 3: Cross multiply
    909,605.08x = 1,255,600.86 × 683,906.20
  4. Step 4: Simplify right side
    909,605.08x = 858,713,212,879.33
  5. Step 5: Solve for x
    x = 858,713,212,879.33/909,605.08
  6. Step 6: Final answer
    x = 944,050.59

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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.