Home / 1,008,408.60-1,512,612.90-1,002,503.70

Finding the Fourth Proportional to 1,008,408.60, 1,512,612.90 and 1,002,503.70

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Solution

The fourth proportional to 1,008,408.60, 1,512,612.90 and 1,002,503.70 is: 1,503,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,408.60 : 1,512,612.90 = 1,002,503.70 : x
  2. Step 2: Convert to fraction form
    1,008,408.60/1,512,612.90 = 1,002,503.70/x
  3. Step 3: Cross multiply
    1,008,408.60x = 1,512,612.90 × 1,002,503.70
  4. Step 4: Simplify right side
    1,008,408.60x = 1,516,400,028,917.73
  5. Step 5: Solve for x
    x = 1,516,400,028,917.73/1,008,408.60
  6. Step 6: Final answer
    x = 1,503,755.55

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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.