Home / 664,826.46-995,650.29-383,490.78

Finding the Fourth Proportional to 664,826.46, 995,650.29 and 383,490.78

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Solution

The fourth proportional to 664,826.46, 995,650.29 and 383,490.78 is: 574,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,826.46 : 995,650.29 = 383,490.78 : x
  2. Step 2: Convert to fraction form
    664,826.46/995,650.29 = 383,490.78/x
  3. Step 3: Cross multiply
    664,826.46x = 995,650.29 × 383,490.78
  4. Step 4: Simplify right side
    664,826.46x = 381,822,706,319.33
  5. Step 5: Solve for x
    x = 381,822,706,319.33/664,826.46
  6. Step 6: Final answer
    x = 574,319.36

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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.