Home / 1,088,138.83-1,501,512.35-629,183.95

Finding the Fourth Proportional to 1,088,138.83, 1,501,512.35 and 629,183.95

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Solution

The fourth proportional to 1,088,138.83, 1,501,512.35 and 629,183.95 is: 868,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,138.83 : 1,501,512.35 = 629,183.95 : x
  2. Step 2: Convert to fraction form
    1,088,138.83/1,501,512.35 = 629,183.95/x
  3. Step 3: Cross multiply
    1,088,138.83x = 1,501,512.35 × 629,183.95
  4. Step 4: Simplify right side
    1,088,138.83x = 944,727,470,801.58
  5. Step 5: Solve for x
    x = 944,727,470,801.58/1,088,138.83
  6. Step 6: Final answer
    x = 868,204.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.