Home / 451,940.34-623,656.62-247,986.66

Finding the Fourth Proportional to 451,940.34, 623,656.62 and 247,986.66

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Solution

The fourth proportional to 451,940.34, 623,656.62 and 247,986.66 is: 342,210.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,940.34 : 623,656.62 = 247,986.66 : x
  2. Step 2: Convert to fraction form
    451,940.34/623,656.62 = 247,986.66/x
  3. Step 3: Cross multiply
    451,940.34x = 623,656.62 × 247,986.66
  4. Step 4: Simplify right side
    451,940.34x = 154,658,522,180.69
  5. Step 5: Solve for x
    x = 154,658,522,180.69/451,940.34
  6. Step 6: Final answer
    x = 342,210.04

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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.