Home / 1,078,228.40-1,614,491.40-863,999.60

Finding the Fourth Proportional to 1,078,228.40, 1,614,491.40 and 863,999.60

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Solution

The fourth proportional to 1,078,228.40, 1,614,491.40 and 863,999.60 is: 1,293,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,228.40 : 1,614,491.40 = 863,999.60 : x
  2. Step 2: Convert to fraction form
    1,078,228.40/1,614,491.40 = 863,999.60/x
  3. Step 3: Cross multiply
    1,078,228.40x = 1,614,491.40 × 863,999.60
  4. Step 4: Simplify right side
    1,078,228.40x = 1,394,919,923,803.44
  5. Step 5: Solve for x
    x = 1,394,919,923,803.44/1,078,228.40
  6. Step 6: Final answer
    x = 1,293,714.69

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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.