Home / 3,124,320.96-4,686,520.32-994,396.80

Finding the Fourth Proportional to 3,124,320.96, 4,686,520.32 and 994,396.80

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Solution

The fourth proportional to 3,124,320.96, 4,686,520.32 and 994,396.80 is: 1,491,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,320.96 : 4,686,520.32 = 994,396.80 : x
  2. Step 2: Convert to fraction form
    3,124,320.96/4,686,520.32 = 994,396.80/x
  3. Step 3: Cross multiply
    3,124,320.96x = 4,686,520.32 × 994,396.80
  4. Step 4: Simplify right side
    3,124,320.96x = 4,660,260,809,342.98
  5. Step 5: Solve for x
    x = 4,660,260,809,342.98/3,124,320.96
  6. Step 6: Final answer
    x = 1,491,607.57

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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.