Home / 876,172.83-1,209,174.93-494,191.41

Finding the Fourth Proportional to 876,172.83, 1,209,174.93 and 494,191.41

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Solution

The fourth proportional to 876,172.83, 1,209,174.93 and 494,191.41 is: 682,015.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,172.83 : 1,209,174.93 = 494,191.41 : x
  2. Step 2: Convert to fraction form
    876,172.83/1,209,174.93 = 494,191.41/x
  3. Step 3: Cross multiply
    876,172.83x = 1,209,174.93 × 494,191.41
  4. Step 4: Simplify right side
    876,172.83x = 597,563,863,593.35
  5. Step 5: Solve for x
    x = 597,563,863,593.35/876,172.83
  6. Step 6: Final answer
    x = 682,015.97

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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.