Home / 451,961.42-623,705.04-248,015.75

Finding the Fourth Proportional to 451,961.42, 623,705.04 and 248,015.75

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Solution

The fourth proportional to 451,961.42, 623,705.04 and 248,015.75 is: 342,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,961.42 : 623,705.04 = 248,015.75 : x
  2. Step 2: Convert to fraction form
    451,961.42/623,705.04 = 248,015.75/x
  3. Step 3: Cross multiply
    451,961.42x = 623,705.04 × 248,015.75
  4. Step 4: Simplify right side
    451,961.42x = 154,688,670,155.86
  5. Step 5: Solve for x
    x = 154,688,670,155.86/451,961.42
  6. Step 6: Final answer
    x = 342,260.79

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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.