Home / 439,557.40-658,850.10-173,229.40

Finding the Fourth Proportional to 439,557.40, 658,850.10 and 173,229.40

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Solution

The fourth proportional to 439,557.40, 658,850.10 and 173,229.40 is: 259,652.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,557.40 : 658,850.10 = 173,229.40 : x
  2. Step 2: Convert to fraction form
    439,557.40/658,850.10 = 173,229.40/x
  3. Step 3: Cross multiply
    439,557.40x = 658,850.10 × 173,229.40
  4. Step 4: Simplify right side
    439,557.40x = 114,132,207,512.94
  5. Step 5: Solve for x
    x = 114,132,207,512.94/439,557.40
  6. Step 6: Final answer
    x = 259,652.57

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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.