Home / 876,336.68-1,209,400.62-494,224.04

Finding the Fourth Proportional to 876,336.68, 1,209,400.62 and 494,224.04

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Solution

The fourth proportional to 876,336.68, 1,209,400.62 and 494,224.04 is: 682,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,336.68 : 1,209,400.62 = 494,224.04 : x
  2. Step 2: Convert to fraction form
    876,336.68/1,209,400.62 = 494,224.04/x
  3. Step 3: Cross multiply
    876,336.68x = 1,209,400.62 × 494,224.04
  4. Step 4: Simplify right side
    876,336.68x = 597,714,860,394.91
  5. Step 5: Solve for x
    x = 597,714,860,394.91/876,336.68
  6. Step 6: Final answer
    x = 682,060.76

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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.