Home / 1,665,885.31-2,498,511.84-812,098.28

Finding the Fourth Proportional to 1,665,885.31, 2,498,511.84 and 812,098.28

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Solution

The fourth proportional to 1,665,885.31, 2,498,511.84 and 812,098.28 is: 1,217,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,885.31 : 2,498,511.84 = 812,098.28 : x
  2. Step 2: Convert to fraction form
    1,665,885.31/2,498,511.84 = 812,098.28/x
  3. Step 3: Cross multiply
    1,665,885.31x = 2,498,511.84 × 812,098.28
  4. Step 4: Simplify right side
    1,665,885.31x = 2,029,037,173,044.87
  5. Step 5: Solve for x
    x = 2,029,037,173,044.87/1,665,885.31
  6. Step 6: Final answer
    x = 1,217,993.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.