Home / 326,896.37-451,239.36-245,459.87

Finding the Fourth Proportional to 326,896.37, 451,239.36 and 245,459.87

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Solution

The fourth proportional to 326,896.37, 451,239.36 and 245,459.87 is: 338,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,896.37 : 451,239.36 = 245,459.87 : x
  2. Step 2: Convert to fraction form
    326,896.37/451,239.36 = 245,459.87/x
  3. Step 3: Cross multiply
    326,896.37x = 451,239.36 × 245,459.87
  4. Step 4: Simplify right side
    326,896.37x = 110,761,153,724.01
  5. Step 5: Solve for x
    x = 110,761,153,724.01/326,896.37
  6. Step 6: Final answer
    x = 338,826.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.