Home / 1,162,040.36-1,743,160.96-320,592.12

Finding the Fourth Proportional to 1,162,040.36, 1,743,160.96 and 320,592.12

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Solution

The fourth proportional to 1,162,040.36, 1,743,160.96 and 320,592.12 is: 480,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,040.36 : 1,743,160.96 = 320,592.12 : x
  2. Step 2: Convert to fraction form
    1,162,040.36/1,743,160.96 = 320,592.12/x
  3. Step 3: Cross multiply
    1,162,040.36x = 1,743,160.96 × 320,592.12
  4. Step 4: Simplify right side
    1,162,040.36x = 558,843,667,667.64
  5. Step 5: Solve for x
    x = 558,843,667,667.64/1,162,040.36
  6. Step 6: Final answer
    x = 480,915.88

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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.