Home / 939,218.40-1,408,827.60-622,648.80

Finding the Fourth Proportional to 939,218.40, 1,408,827.60 and 622,648.80

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Solution

The fourth proportional to 939,218.40, 1,408,827.60 and 622,648.80 is: 933,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,218.40 : 1,408,827.60 = 622,648.80 : x
  2. Step 2: Convert to fraction form
    939,218.40/1,408,827.60 = 622,648.80/x
  3. Step 3: Cross multiply
    939,218.40x = 1,408,827.60 × 622,648.80
  4. Step 4: Simplify right side
    939,218.40x = 877,204,814,546.88
  5. Step 5: Solve for x
    x = 877,204,814,546.88/939,218.40
  6. Step 6: Final answer
    x = 933,973.20

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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.