Home / 326,230.68-451,086.36-284,240.28

Finding the Fourth Proportional to 326,230.68, 451,086.36 and 284,240.28

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Solution

The fourth proportional to 326,230.68, 451,086.36 and 284,240.28 is: 393,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,230.68 : 451,086.36 = 284,240.28 : x
  2. Step 2: Convert to fraction form
    326,230.68/451,086.36 = 284,240.28/x
  3. Step 3: Cross multiply
    326,230.68x = 451,086.36 × 284,240.28
  4. Step 4: Simplify right side
    326,230.68x = 128,216,913,270.58
  5. Step 5: Solve for x
    x = 128,216,913,270.58/326,230.68
  6. Step 6: Final answer
    x = 393,025.31

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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.