Home / 445,945.68-615,401.87-241,991.42

Finding the Fourth Proportional to 445,945.68, 615,401.87 and 241,991.42

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Solution

The fourth proportional to 445,945.68, 615,401.87 and 241,991.42 is: 333,946.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,945.68 : 615,401.87 = 241,991.42 : x
  2. Step 2: Convert to fraction form
    445,945.68/615,401.87 = 241,991.42/x
  3. Step 3: Cross multiply
    445,945.68x = 615,401.87 × 241,991.42
  4. Step 4: Simplify right side
    445,945.68x = 148,921,968,104.99
  5. Step 5: Solve for x
    x = 148,921,968,104.99/445,945.68
  6. Step 6: Final answer
    x = 333,946.43

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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.