Home / 868,112.52-1,197,961.70-486,119.76

Finding the Fourth Proportional to 868,112.52, 1,197,961.70 and 486,119.76

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Solution

The fourth proportional to 868,112.52, 1,197,961.70 and 486,119.76 is: 670,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,112.52 : 1,197,961.70 = 486,119.76 : x
  2. Step 2: Convert to fraction form
    868,112.52/1,197,961.70 = 486,119.76/x
  3. Step 3: Cross multiply
    868,112.52x = 1,197,961.70 × 486,119.76
  4. Step 4: Simplify right side
    868,112.52x = 582,352,851,662.59
  5. Step 5: Solve for x
    x = 582,352,851,662.59/868,112.52
  6. Step 6: Final answer
    x = 670,826.46

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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.