Home / 449,119.66-619,799.81-245,181.46

Finding the Fourth Proportional to 449,119.66, 619,799.81 and 245,181.46

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Solution

The fourth proportional to 449,119.66, 619,799.81 and 245,181.46 is: 338,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,119.66 : 619,799.81 = 245,181.46 : x
  2. Step 2: Convert to fraction form
    449,119.66/619,799.81 = 245,181.46/x
  3. Step 3: Cross multiply
    449,119.66x = 619,799.81 × 245,181.46
  4. Step 4: Simplify right side
    449,119.66x = 151,963,422,323.52
  5. Step 5: Solve for x
    x = 151,963,422,323.52/449,119.66
  6. Step 6: Final answer
    x = 338,358.43

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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.