Home / 620,584.48-931,022.52-199,844.56

Finding the Fourth Proportional to 620,584.48, 931,022.52 and 199,844.56

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Solution

The fourth proportional to 620,584.48, 931,022.52 and 199,844.56 is: 299,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,584.48 : 931,022.52 = 199,844.56 : x
  2. Step 2: Convert to fraction form
    620,584.48/931,022.52 = 199,844.56/x
  3. Step 3: Cross multiply
    620,584.48x = 931,022.52 × 199,844.56
  4. Step 4: Simplify right side
    620,584.48x = 186,059,785,859.49
  5. Step 5: Solve for x
    x = 186,059,785,859.49/620,584.48
  6. Step 6: Final answer
    x = 299,813.79

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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.