Home / 876,178.84-1,209,183.22-494,197.40

Finding the Fourth Proportional to 876,178.84, 1,209,183.22 and 494,197.40

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Solution

The fourth proportional to 876,178.84, 1,209,183.22 and 494,197.40 is: 682,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,178.84 : 1,209,183.22 = 494,197.40 : x
  2. Step 2: Convert to fraction form
    876,178.84/1,209,183.22 = 494,197.40/x
  3. Step 3: Cross multiply
    876,178.84x = 1,209,183.22 × 494,197.40
  4. Step 4: Simplify right side
    876,178.84x = 597,575,203,447.63
  5. Step 5: Solve for x
    x = 597,575,203,447.63/876,178.84
  6. Step 6: Final answer
    x = 682,024.24

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Double scale
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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.