Home / 451,639.53-677,459.57-114,705.45

Finding the Fourth Proportional to 451,639.53, 677,459.57 and 114,705.45

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Solution

The fourth proportional to 451,639.53, 677,459.57 and 114,705.45 is: 172,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,639.53 : 677,459.57 = 114,705.45 : x
  2. Step 2: Convert to fraction form
    451,639.53/677,459.57 = 114,705.45/x
  3. Step 3: Cross multiply
    451,639.53x = 677,459.57 × 114,705.45
  4. Step 4: Simplify right side
    451,639.53x = 77,708,304,260.13
  5. Step 5: Solve for x
    x = 77,708,304,260.13/451,639.53
  6. Step 6: Final answer
    x = 172,058.24

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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.