Home / 687,822.92-1,031,779.96-182,376.86

Finding the Fourth Proportional to 687,822.92, 1,031,779.96 and 182,376.86

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Solution

The fourth proportional to 687,822.92, 1,031,779.96 and 182,376.86 is: 273,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,822.92 : 1,031,779.96 = 182,376.86 : x
  2. Step 2: Convert to fraction form
    687,822.92/1,031,779.96 = 182,376.86/x
  3. Step 3: Cross multiply
    687,822.92x = 1,031,779.96 × 182,376.86
  4. Step 4: Simplify right side
    687,822.92x = 188,172,789,315.73
  5. Step 5: Solve for x
    x = 188,172,789,315.73/687,822.92
  6. Step 6: Final answer
    x = 273,577.38

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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.