Home / 1,436,590.89-1,982,435.72-783,202.77

Finding the Fourth Proportional to 1,436,590.89, 1,982,435.72 and 783,202.77

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Solution

The fourth proportional to 1,436,590.89, 1,982,435.72 and 783,202.77 is: 1,080,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,590.89 : 1,982,435.72 = 783,202.77 : x
  2. Step 2: Convert to fraction form
    1,436,590.89/1,982,435.72 = 783,202.77/x
  3. Step 3: Cross multiply
    1,436,590.89x = 1,982,435.72 × 783,202.77
  4. Step 4: Simplify right side
    1,436,590.89x = 1,552,649,143,334.93
  5. Step 5: Solve for x
    x = 1,552,649,143,334.93/1,436,590.89
  6. Step 6: Final answer
    x = 1,080,787.27

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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.