Home / 777,631.50-1,166,447.25-186,655.50

Finding the Fourth Proportional to 777,631.50, 1,166,447.25 and 186,655.50

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Solution

The fourth proportional to 777,631.50, 1,166,447.25 and 186,655.50 is: 279,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,631.50 : 1,166,447.25 = 186,655.50 : x
  2. Step 2: Convert to fraction form
    777,631.50/1,166,447.25 = 186,655.50/x
  3. Step 3: Cross multiply
    777,631.50x = 1,166,447.25 × 186,655.50
  4. Step 4: Simplify right side
    777,631.50x = 217,723,794,672.38
  5. Step 5: Solve for x
    x = 217,723,794,672.38/777,631.50
  6. Step 6: Final answer
    x = 279,983.25

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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.