Home / 501,576.32-751,367.99-276,378.20

Finding the Fourth Proportional to 501,576.32, 751,367.99 and 276,378.20

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Solution

The fourth proportional to 501,576.32, 751,367.99 and 276,378.20 is: 414,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,576.32 : 751,367.99 = 276,378.20 : x
  2. Step 2: Convert to fraction form
    501,576.32/751,367.99 = 276,378.20/x
  3. Step 3: Cross multiply
    501,576.32x = 751,367.99 × 276,378.20
  4. Step 4: Simplify right side
    501,576.32x = 207,661,727,475.09
  5. Step 5: Solve for x
    x = 207,661,727,475.09/501,576.32
  6. Step 6: Final answer
    x = 414,018.21

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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.