Home / 430,786.26-646,474.68-150,303.60

Finding the Fourth Proportional to 430,786.26, 646,474.68 and 150,303.60

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Solution

The fourth proportional to 430,786.26, 646,474.68 and 150,303.60 is: 225,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,786.26 : 646,474.68 = 150,303.60 : x
  2. Step 2: Convert to fraction form
    430,786.26/646,474.68 = 150,303.60/x
  3. Step 3: Cross multiply
    430,786.26x = 646,474.68 × 150,303.60
  4. Step 4: Simplify right side
    430,786.26x = 97,167,471,712.85
  5. Step 5: Solve for x
    x = 97,167,471,712.85/430,786.26
  6. Step 6: Final answer
    x = 225,558.43

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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.