Home / 827,932.01-1,242,379.89-348,125.09

Finding the Fourth Proportional to 827,932.01, 1,242,379.89 and 348,125.09

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Solution

The fourth proportional to 827,932.01, 1,242,379.89 and 348,125.09 is: 522,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,932.01 : 1,242,379.89 = 348,125.09 : x
  2. Step 2: Convert to fraction form
    827,932.01/1,242,379.89 = 348,125.09/x
  3. Step 3: Cross multiply
    827,932.01x = 1,242,379.89 × 348,125.09
  4. Step 4: Simplify right side
    827,932.01x = 432,503,604,808.54
  5. Step 5: Solve for x
    x = 432,503,604,808.54/827,932.01
  6. Step 6: Final answer
    x = 522,390.25

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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.