Home / 549,617.15-824,231.32-261,394.85

Finding the Fourth Proportional to 549,617.15, 824,231.32 and 261,394.85

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Solution

The fourth proportional to 549,617.15, 824,231.32 and 261,394.85 is: 391,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,617.15 : 824,231.32 = 261,394.85 : x
  2. Step 2: Convert to fraction form
    549,617.15/824,231.32 = 261,394.85/x
  3. Step 3: Cross multiply
    549,617.15x = 824,231.32 × 261,394.85
  4. Step 4: Simplify right side
    549,617.15x = 215,449,819,762.67
  5. Step 5: Solve for x
    x = 215,449,819,762.67/549,617.15
  6. Step 6: Final answer
    x = 391,999.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.