Home / 550,609.83-826,215.65-213,663.73

Finding the Fourth Proportional to 550,609.83, 826,215.65 and 213,663.73

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Solution

The fourth proportional to 550,609.83, 826,215.65 and 213,663.73 is: 320,612.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,609.83 : 826,215.65 = 213,663.73 : x
  2. Step 2: Convert to fraction form
    550,609.83/826,215.65 = 213,663.73/x
  3. Step 3: Cross multiply
    550,609.83x = 826,215.65 × 213,663.73
  4. Step 4: Simplify right side
    550,609.83x = 176,532,317,563.38
  5. Step 5: Solve for x
    x = 176,532,317,563.38/550,609.83
  6. Step 6: Final answer
    x = 320,612.36

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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.