Home / 395,982.42-546,487.29-223,936.62

Finding the Fourth Proportional to 395,982.42, 546,487.29 and 223,936.62

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Solution

The fourth proportional to 395,982.42, 546,487.29 and 223,936.62 is: 309,050.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,982.42 : 546,487.29 = 223,936.62 : x
  2. Step 2: Convert to fraction form
    395,982.42/546,487.29 = 223,936.62/x
  3. Step 3: Cross multiply
    395,982.42x = 546,487.29 × 223,936.62
  4. Step 4: Simplify right side
    395,982.42x = 122,378,516,595.56
  5. Step 5: Solve for x
    x = 122,378,516,595.56/395,982.42
  6. Step 6: Final answer
    x = 309,050.38

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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.