Home / 451,933.90-623,647.87-247,979.74

Finding the Fourth Proportional to 451,933.90, 623,647.87 and 247,979.74

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Solution

The fourth proportional to 451,933.90, 623,647.87 and 247,979.74 is: 342,200.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,933.90 : 623,647.87 = 247,979.74 : x
  2. Step 2: Convert to fraction form
    451,933.90/623,647.87 = 247,979.74/x
  3. Step 3: Cross multiply
    451,933.90x = 623,647.87 × 247,979.74
  4. Step 4: Simplify right side
    451,933.90x = 154,652,036,654.15
  5. Step 5: Solve for x
    x = 154,652,036,654.15/451,933.90
  6. Step 6: Final answer
    x = 342,200.57

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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.