Home / 539,120.96-743,974.98-297,403.72

Finding the Fourth Proportional to 539,120.96, 743,974.98 and 297,403.72

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Solution

The fourth proportional to 539,120.96, 743,974.98 and 297,403.72 is: 410,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,120.96 : 743,974.98 = 297,403.72 : x
  2. Step 2: Convert to fraction form
    539,120.96/743,974.98 = 297,403.72/x
  3. Step 3: Cross multiply
    539,120.96x = 743,974.98 × 297,403.72
  4. Step 4: Simplify right side
    539,120.96x = 221,260,926,638.93
  5. Step 5: Solve for x
    x = 221,260,926,638.93/539,120.96
  6. Step 6: Final answer
    x = 410,410.54

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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.