Home / 627,420.32-941,171.44-459,443.36

Finding the Fourth Proportional to 627,420.32, 941,171.44 and 459,443.36

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Solution

The fourth proportional to 627,420.32, 941,171.44 and 459,443.36 is: 689,195.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,420.32 : 941,171.44 = 459,443.36 : x
  2. Step 2: Convert to fraction form
    627,420.32/941,171.44 = 459,443.36/x
  3. Step 3: Cross multiply
    627,420.32x = 941,171.44 × 459,443.36
  4. Step 4: Simplify right side
    627,420.32x = 432,414,968,729.64
  5. Step 5: Solve for x
    x = 432,414,968,729.64/627,420.32
  6. Step 6: Final answer
    x = 689,195.03

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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.