Home / 1,869,399.86-2,804,099.80-449,456

Finding the Fourth Proportional to 1,869,399.86, 2,804,099.80 and 449,456

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Solution

The fourth proportional to 1,869,399.86, 2,804,099.80 and 449,456 is: 674,184.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,399.86 : 2,804,099.80 = 449,456 : x
  2. Step 2: Convert to fraction form
    1,869,399.86/2,804,099.80 = 449,456/x
  3. Step 3: Cross multiply
    1,869,399.86x = 2,804,099.80 × 449,456
  4. Step 4: Simplify right side
    1,869,399.86x = 1,260,319,479,708.80
  5. Step 5: Solve for x
    x = 1,260,319,479,708.80/1,869,399.86
  6. Step 6: Final answer
    x = 674,184.00

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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.