Home / 434,067.20-650,882.10-256,628.60

Finding the Fourth Proportional to 434,067.20, 650,882.10 and 256,628.60

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Solution

The fourth proportional to 434,067.20, 650,882.10 and 256,628.60 is: 384,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,067.20 : 650,882.10 = 256,628.60 : x
  2. Step 2: Convert to fraction form
    434,067.20/650,882.10 = 256,628.60/x
  3. Step 3: Cross multiply
    434,067.20x = 650,882.10 × 256,628.60
  4. Step 4: Simplify right side
    434,067.20x = 167,034,962,088.06
  5. Step 5: Solve for x
    x = 167,034,962,088.06/434,067.20
  6. Step 6: Final answer
    x = 384,813.60

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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.