Home / 443,533.48-664,512.06-253,986.28

Finding the Fourth Proportional to 443,533.48, 664,512.06 and 253,986.28

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Solution

The fourth proportional to 443,533.48, 664,512.06 and 253,986.28 is: 380,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,533.48 : 664,512.06 = 253,986.28 : x
  2. Step 2: Convert to fraction form
    443,533.48/664,512.06 = 253,986.28/x
  3. Step 3: Cross multiply
    443,533.48x = 664,512.06 × 253,986.28
  4. Step 4: Simplify right side
    443,533.48x = 168,776,946,134.54
  5. Step 5: Solve for x
    x = 168,776,946,134.54/443,533.48
  6. Step 6: Final answer
    x = 380,528.09

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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.