Home / 598,974.60-898,243.20-199,628.40

Finding the Fourth Proportional to 598,974.60, 898,243.20 and 199,628.40

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Solution

The fourth proportional to 598,974.60, 898,243.20 and 199,628.40 is: 299,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,974.60 : 898,243.20 = 199,628.40 : x
  2. Step 2: Convert to fraction form
    598,974.60/898,243.20 = 199,628.40/x
  3. Step 3: Cross multiply
    598,974.60x = 898,243.20 × 199,628.40
  4. Step 4: Simplify right side
    598,974.60x = 179,314,852,826.88
  5. Step 5: Solve for x
    x = 179,314,852,826.88/598,974.60
  6. Step 6: Final answer
    x = 299,369.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.