Home / 1,589,032.84-2,192,863.44-863,878.72

Finding the Fourth Proportional to 1,589,032.84, 2,192,863.44 and 863,878.72

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Solution

The fourth proportional to 1,589,032.84, 2,192,863.44 and 863,878.72 is: 1,192,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,032.84 : 2,192,863.44 = 863,878.72 : x
  2. Step 2: Convert to fraction form
    1,589,032.84/2,192,863.44 = 863,878.72/x
  3. Step 3: Cross multiply
    1,589,032.84x = 2,192,863.44 × 863,878.72
  4. Step 4: Simplify right side
    1,589,032.84x = 1,894,368,061,682.00
  5. Step 5: Solve for x
    x = 1,894,368,061,682.00/1,589,032.84
  6. Step 6: Final answer
    x = 1,192,151.61

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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.