Home / 445,936.16-615,388.75-241,981.90

Finding the Fourth Proportional to 445,936.16, 615,388.75 and 241,981.90

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Solution

The fourth proportional to 445,936.16, 615,388.75 and 241,981.90 is: 333,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,936.16 : 615,388.75 = 241,981.90 : x
  2. Step 2: Convert to fraction form
    445,936.16/615,388.75 = 241,981.90/x
  3. Step 3: Cross multiply
    445,936.16x = 615,388.75 × 241,981.90
  4. Step 4: Simplify right side
    445,936.16x = 148,912,938,963.63
  5. Step 5: Solve for x
    x = 148,912,938,963.63/445,936.16
  6. Step 6: Final answer
    x = 333,933.31

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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.