Home / 1,775,171.70-2,662,757.55-828,638.10

Finding the Fourth Proportional to 1,775,171.70, 2,662,757.55 and 828,638.10

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Solution

The fourth proportional to 1,775,171.70, 2,662,757.55 and 828,638.10 is: 1,242,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,171.70 : 2,662,757.55 = 828,638.10 : x
  2. Step 2: Convert to fraction form
    1,775,171.70/2,662,757.55 = 828,638.10/x
  3. Step 3: Cross multiply
    1,775,171.70x = 2,662,757.55 × 828,638.10
  4. Step 4: Simplify right side
    1,775,171.70x = 2,206,462,356,992.65
  5. Step 5: Solve for x
    x = 2,206,462,356,992.65/1,775,171.70
  6. Step 6: Final answer
    x = 1,242,957.15

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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.