Home / 777,631.56-1,166,447.28-186,655.56

Finding the Fourth Proportional to 777,631.56, 1,166,447.28 and 186,655.56

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Solution

The fourth proportional to 777,631.56, 1,166,447.28 and 186,655.56 is: 279,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,631.56 : 1,166,447.28 = 186,655.56 : x
  2. Step 2: Convert to fraction form
    777,631.56/1,166,447.28 = 186,655.56/x
  3. Step 3: Cross multiply
    777,631.56x = 1,166,447.28 × 186,655.56
  4. Step 4: Simplify right side
    777,631.56x = 217,723,870,258.88
  5. Step 5: Solve for x
    x = 217,723,870,258.88/777,631.56
  6. Step 6: Final answer
    x = 279,983.33

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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.