Home / 627,380.64-940,541.79-272,127.06

Finding the Fourth Proportional to 627,380.64, 940,541.79 and 272,127.06

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Solution

The fourth proportional to 627,380.64, 940,541.79 and 272,127.06 is: 407,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,380.64 : 940,541.79 = 272,127.06 : x
  2. Step 2: Convert to fraction form
    627,380.64/940,541.79 = 272,127.06/x
  3. Step 3: Cross multiply
    627,380.64x = 940,541.79 × 272,127.06
  4. Step 4: Simplify right side
    627,380.64x = 255,946,872,119.84
  5. Step 5: Solve for x
    x = 255,946,872,119.84/627,380.64
  6. Step 6: Final answer
    x = 407,961.06

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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.