Home / 324,369.81-443,740.19-323,003.60

Finding the Fourth Proportional to 324,369.81, 443,740.19 and 323,003.60

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Solution

The fourth proportional to 324,369.81, 443,740.19 and 323,003.60 is: 441,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,369.81 : 443,740.19 = 323,003.60 : x
  2. Step 2: Convert to fraction form
    324,369.81/443,740.19 = 323,003.60/x
  3. Step 3: Cross multiply
    324,369.81x = 443,740.19 × 323,003.60
  4. Step 4: Simplify right side
    324,369.81x = 143,329,678,834.68
  5. Step 5: Solve for x
    x = 143,329,678,834.68/324,369.81
  6. Step 6: Final answer
    x = 441,871.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.