Home / 427,121.07-589,439.37-236,146.77

Finding the Fourth Proportional to 427,121.07, 589,439.37 and 236,146.77

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Solution

The fourth proportional to 427,121.07, 589,439.37 and 236,146.77 is: 325,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,121.07 : 589,439.37 = 236,146.77 : x
  2. Step 2: Convert to fraction form
    427,121.07/589,439.37 = 236,146.77/x
  3. Step 3: Cross multiply
    427,121.07x = 589,439.37 × 236,146.77
  4. Step 4: Simplify right side
    427,121.07x = 139,194,203,336.34
  5. Step 5: Solve for x
    x = 139,194,203,336.34/427,121.07
  6. Step 6: Final answer
    x = 325,889.34

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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.