Home / 539,109.21-743,968.62-297,406.83

Finding the Fourth Proportional to 539,109.21, 743,968.62 and 297,406.83

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Solution

The fourth proportional to 539,109.21, 743,968.62 and 297,406.83 is: 410,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,109.21 : 743,968.62 = 297,406.83 : x
  2. Step 2: Convert to fraction form
    539,109.21/743,968.62 = 297,406.83/x
  3. Step 3: Cross multiply
    539,109.21x = 743,968.62 × 297,406.83
  4. Step 4: Simplify right side
    539,109.21x = 221,261,348,893.68
  5. Step 5: Solve for x
    x = 221,261,348,893.68/539,109.21
  6. Step 6: Final answer
    x = 410,420.27

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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.