Home / 1,484,229.60-2,226,125.70-419,379.30

Finding the Fourth Proportional to 1,484,229.60, 2,226,125.70 and 419,379.30

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Solution

The fourth proportional to 1,484,229.60, 2,226,125.70 and 419,379.30 is: 629,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484,229.60 : 2,226,125.70 = 419,379.30 : x
  2. Step 2: Convert to fraction form
    1,484,229.60/2,226,125.70 = 419,379.30/x
  3. Step 3: Cross multiply
    1,484,229.60x = 2,226,125.70 × 419,379.30
  4. Step 4: Simplify right side
    1,484,229.60x = 933,591,037,778.01
  5. Step 5: Solve for x
    x = 933,591,037,778.01/1,484,229.60
  6. Step 6: Final answer
    x = 629,007.15

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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.