Home / 827,382.12-1,240,766.64-294,761.76

Finding the Fourth Proportional to 827,382.12, 1,240,766.64 and 294,761.76

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Solution

The fourth proportional to 827,382.12, 1,240,766.64 and 294,761.76 is: 442,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,382.12 : 1,240,766.64 = 294,761.76 : x
  2. Step 2: Convert to fraction form
    827,382.12/1,240,766.64 = 294,761.76/x
  3. Step 3: Cross multiply
    827,382.12x = 1,240,766.64 × 294,761.76
  4. Step 4: Simplify right side
    827,382.12x = 365,730,558,555.69
  5. Step 5: Solve for x
    x = 365,730,558,555.69/827,382.12
  6. Step 6: Final answer
    x = 442,033.43

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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.