Home / 1,519,310.57-2,096,563.79-830,846.57

Finding the Fourth Proportional to 1,519,310.57, 2,096,563.79 and 830,846.57

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Solution

The fourth proportional to 1,519,310.57, 2,096,563.79 and 830,846.57 is: 1,146,521.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,310.57 : 2,096,563.79 = 830,846.57 : x
  2. Step 2: Convert to fraction form
    1,519,310.57/2,096,563.79 = 830,846.57/x
  3. Step 3: Cross multiply
    1,519,310.57x = 2,096,563.79 × 830,846.57
  4. Step 4: Simplify right side
    1,519,310.57x = 1,741,922,829,553.47
  5. Step 5: Solve for x
    x = 1,741,922,829,553.47/1,519,310.57
  6. Step 6: Final answer
    x = 1,146,521.89

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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.