Home / 1,120,735.76-1,546,552.32-637,418.48

Finding the Fourth Proportional to 1,120,735.76, 1,546,552.32 and 637,418.48

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Solution

The fourth proportional to 1,120,735.76, 1,546,552.32 and 637,418.48 is: 879,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,735.76 : 1,546,552.32 = 637,418.48 : x
  2. Step 2: Convert to fraction form
    1,120,735.76/1,546,552.32 = 637,418.48/x
  3. Step 3: Cross multiply
    1,120,735.76x = 1,546,552.32 × 637,418.48
  4. Step 4: Simplify right side
    1,120,735.76x = 985,801,029,054.87
  5. Step 5: Solve for x
    x = 985,801,029,054.87/1,120,735.76
  6. Step 6: Final answer
    x = 879,601.65

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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.