Home / 605,992.12-837,780.78-454,826.68

Finding the Fourth Proportional to 605,992.12, 837,780.78 and 454,826.68

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Solution

The fourth proportional to 605,992.12, 837,780.78 and 454,826.68 is: 628,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,992.12 : 837,780.78 = 454,826.68 : x
  2. Step 2: Convert to fraction form
    605,992.12/837,780.78 = 454,826.68/x
  3. Step 3: Cross multiply
    605,992.12x = 837,780.78 × 454,826.68
  4. Step 4: Simplify right side
    605,992.12x = 381,045,050,735.21
  5. Step 5: Solve for x
    x = 381,045,050,735.21/605,992.12
  6. Step 6: Final answer
    x = 628,795.39

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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.