Home / 327,904.20-491,856.30-117,563.40

Finding the Fourth Proportional to 327,904.20, 491,856.30 and 117,563.40

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Solution

The fourth proportional to 327,904.20, 491,856.30 and 117,563.40 is: 176,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,904.20 : 491,856.30 = 117,563.40 : x
  2. Step 2: Convert to fraction form
    327,904.20/491,856.30 = 117,563.40/x
  3. Step 3: Cross multiply
    327,904.20x = 491,856.30 × 117,563.40
  4. Step 4: Simplify right side
    327,904.20x = 57,824,298,939.42
  5. Step 5: Solve for x
    x = 57,824,298,939.42/327,904.20
  6. Step 6: Final answer
    x = 176,345.10

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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.