Home / 827,631.61-1,241,220.86-228,449.53

Finding the Fourth Proportional to 827,631.61, 1,241,220.86 and 228,449.53

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Solution

The fourth proportional to 827,631.61, 1,241,220.86 and 228,449.53 is: 342,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,631.61 : 1,241,220.86 = 228,449.53 : x
  2. Step 2: Convert to fraction form
    827,631.61/1,241,220.86 = 228,449.53/x
  3. Step 3: Cross multiply
    827,631.61x = 1,241,220.86 × 228,449.53
  4. Step 4: Simplify right side
    827,631.61x = 283,556,320,950.95
  5. Step 5: Solve for x
    x = 283,556,320,950.95/827,631.61
  6. Step 6: Final answer
    x = 342,611.76

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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.