Home / 860,014.44-1,182,874.32-689,875.56

Finding the Fourth Proportional to 860,014.44, 1,182,874.32 and 689,875.56

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Solution

The fourth proportional to 860,014.44, 1,182,874.32 and 689,875.56 is: 948,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,014.44 : 1,182,874.32 = 689,875.56 : x
  2. Step 2: Convert to fraction form
    860,014.44/1,182,874.32 = 689,875.56/x
  3. Step 3: Cross multiply
    860,014.44x = 1,182,874.32 × 689,875.56
  4. Step 4: Simplify right side
    860,014.44x = 816,036,083,919.62
  5. Step 5: Solve for x
    x = 816,036,083,919.62/860,014.44
  6. Step 6: Final answer
    x = 948,863.24

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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.