Home / 1,511,981.42-2,086,435.17-832,917.86

Finding the Fourth Proportional to 1,511,981.42, 2,086,435.17 and 832,917.86

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Solution

The fourth proportional to 1,511,981.42, 2,086,435.17 and 832,917.86 is: 1,149,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,981.42 : 2,086,435.17 = 832,917.86 : x
  2. Step 2: Convert to fraction form
    1,511,981.42/2,086,435.17 = 832,917.86/x
  3. Step 3: Cross multiply
    1,511,981.42x = 2,086,435.17 × 832,917.86
  4. Step 4: Simplify right side
    1,511,981.42x = 1,737,829,116,825.14
  5. Step 5: Solve for x
    x = 1,737,829,116,825.14/1,511,981.42
  6. Step 6: Final answer
    x = 1,149,372.01

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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.