Home / 2,685,745.28-4,029,356.68-792,486.72

Finding the Fourth Proportional to 2,685,745.28, 4,029,356.68 and 792,486.72

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Solution

The fourth proportional to 2,685,745.28, 4,029,356.68 and 792,486.72 is: 1,188,948.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,745.28 : 4,029,356.68 = 792,486.72 : x
  2. Step 2: Convert to fraction form
    2,685,745.28/4,029,356.68 = 792,486.72/x
  3. Step 3: Cross multiply
    2,685,745.28x = 4,029,356.68 × 792,486.72
  4. Step 4: Simplify right side
    2,685,745.28x = 3,193,211,657,062.07
  5. Step 5: Solve for x
    x = 3,193,211,657,062.07/2,685,745.28
  6. Step 6: Final answer
    x = 1,188,948.07

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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.