Home / 334,528.20-461,438.94-198,465.78

Finding the Fourth Proportional to 334,528.20, 461,438.94 and 198,465.78

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Solution

The fourth proportional to 334,528.20, 461,438.94 and 198,465.78 is: 273,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,528.20 : 461,438.94 = 198,465.78 : x
  2. Step 2: Convert to fraction form
    334,528.20/461,438.94 = 198,465.78/x
  3. Step 3: Cross multiply
    334,528.20x = 461,438.94 × 198,465.78
  4. Step 4: Simplify right side
    334,528.20x = 91,579,839,149.47
  5. Step 5: Solve for x
    x = 91,579,839,149.47/334,528.20
  6. Step 6: Final answer
    x = 273,758.20

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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.