Home / 484,846.21-669,087.74-281,015.36

Finding the Fourth Proportional to 484,846.21, 669,087.74 and 281,015.36

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Solution

The fourth proportional to 484,846.21, 669,087.74 and 281,015.36 is: 387,801.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,846.21 : 669,087.74 = 281,015.36 : x
  2. Step 2: Convert to fraction form
    484,846.21/669,087.74 = 281,015.36/x
  3. Step 3: Cross multiply
    484,846.21x = 669,087.74 × 281,015.36
  4. Step 4: Simplify right side
    484,846.21x = 188,023,927,377.17
  5. Step 5: Solve for x
    x = 188,023,927,377.17/484,846.21
  6. Step 6: Final answer
    x = 387,801.17

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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.