Home / 1,219,361.80-1,829,451.02-398,738.26

Finding the Fourth Proportional to 1,219,361.80, 1,829,451.02 and 398,738.26

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Solution

The fourth proportional to 1,219,361.80, 1,829,451.02 and 398,738.26 is: 598,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,361.80 : 1,829,451.02 = 398,738.26 : x
  2. Step 2: Convert to fraction form
    1,219,361.80/1,829,451.02 = 398,738.26/x
  3. Step 3: Cross multiply
    1,219,361.80x = 1,829,451.02 × 398,738.26
  4. Step 4: Simplify right side
    1,219,361.80x = 729,472,116,763.15
  5. Step 5: Solve for x
    x = 729,472,116,763.15/1,219,361.80
  6. Step 6: Final answer
    x = 598,240.91

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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.