Home / 876,174.83-1,209,177.69-494,193.41

Finding the Fourth Proportional to 876,174.83, 1,209,177.69 and 494,193.41

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Solution

The fourth proportional to 876,174.83, 1,209,177.69 and 494,193.41 is: 682,018.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,174.83 : 1,209,177.69 = 494,193.41 : x
  2. Step 2: Convert to fraction form
    876,174.83/1,209,177.69 = 494,193.41/x
  3. Step 3: Cross multiply
    876,174.83x = 1,209,177.69 × 494,193.41
  4. Step 4: Simplify right side
    876,174.83x = 597,567,645,917.02
  5. Step 5: Solve for x
    x = 597,567,645,917.02/876,174.83
  6. Step 6: Final answer
    x = 682,018.73

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1.5x scale

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.