Home / 827,999.20-1,142,759.91-465,452.92

Finding the Fourth Proportional to 827,999.20, 1,142,759.91 and 465,452.92

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Solution

The fourth proportional to 827,999.20, 1,142,759.91 and 465,452.92 is: 642,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,999.20 : 1,142,759.91 = 465,452.92 : x
  2. Step 2: Convert to fraction form
    827,999.20/1,142,759.91 = 465,452.92/x
  3. Step 3: Cross multiply
    827,999.20x = 1,142,759.91 × 465,452.92
  4. Step 4: Simplify right side
    827,999.20x = 531,900,936,968.44
  5. Step 5: Solve for x
    x = 531,900,936,968.44/827,999.20
  6. Step 6: Final answer
    x = 642,393.06

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1.5x scale

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.