Home / 1,216,871.65-1,679,799.94-758,212.83

Finding the Fourth Proportional to 1,216,871.65, 1,679,799.94 and 758,212.83

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Solution

The fourth proportional to 1,216,871.65, 1,679,799.94 and 758,212.83 is: 1,046,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,871.65 : 1,679,799.94 = 758,212.83 : x
  2. Step 2: Convert to fraction form
    1,216,871.65/1,679,799.94 = 758,212.83/x
  3. Step 3: Cross multiply
    1,216,871.65x = 1,679,799.94 × 758,212.83
  4. Step 4: Simplify right side
    1,216,871.65x = 1,273,645,863,024.05
  5. Step 5: Solve for x
    x = 1,273,645,863,024.05/1,216,871.65
  6. Step 6: Final answer
    x = 1,046,655.88

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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.