Home / 876,179.60-1,209,141.77-494,213.97

Finding the Fourth Proportional to 876,179.60, 1,209,141.77 and 494,213.97

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Solution

The fourth proportional to 876,179.60, 1,209,141.77 and 494,213.97 is: 682,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,179.60 : 1,209,141.77 = 494,213.97 : x
  2. Step 2: Convert to fraction form
    876,179.60/1,209,141.77 = 494,213.97/x
  3. Step 3: Cross multiply
    876,179.60x = 1,209,141.77 × 494,213.97
  4. Step 4: Simplify right side
    876,179.60x = 597,574,754,444.53
  5. Step 5: Solve for x
    x = 597,574,754,444.53/876,179.60
  6. Step 6: Final answer
    x = 682,023.13

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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.