Home / 326,857.36-490,005.24-113,597.57

Finding the Fourth Proportional to 326,857.36, 490,005.24 and 113,597.57

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Solution

The fourth proportional to 326,857.36, 490,005.24 and 113,597.57 is: 170,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,857.36 : 490,005.24 = 113,597.57 : x
  2. Step 2: Convert to fraction form
    326,857.36/490,005.24 = 113,597.57/x
  3. Step 3: Cross multiply
    326,857.36x = 490,005.24 × 113,597.57
  4. Step 4: Simplify right side
    326,857.36x = 55,663,402,101.24
  5. Step 5: Solve for x
    x = 55,663,402,101.24/326,857.36
  6. Step 6: Final answer
    x = 170,298.76

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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.