Home / 856,912.37-1,285,504.53-344,576.16

Finding the Fourth Proportional to 856,912.37, 1,285,504.53 and 344,576.16

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Solution

The fourth proportional to 856,912.37, 1,285,504.53 and 344,576.16 is: 516,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,912.37 : 1,285,504.53 = 344,576.16 : x
  2. Step 2: Convert to fraction form
    856,912.37/1,285,504.53 = 344,576.16/x
  3. Step 3: Cross multiply
    856,912.37x = 1,285,504.53 × 344,576.16
  4. Step 4: Simplify right side
    856,912.37x = 442,954,213,317.84
  5. Step 5: Solve for x
    x = 442,954,213,317.84/856,912.37
  6. Step 6: Final answer
    x = 516,918.92

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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.