Home / 1,213,609.66-1,821,227.15-503,638.38

Finding the Fourth Proportional to 1,213,609.66, 1,821,227.15 and 503,638.38

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Solution

The fourth proportional to 1,213,609.66, 1,821,227.15 and 503,638.38 is: 755,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,609.66 : 1,821,227.15 = 503,638.38 : x
  2. Step 2: Convert to fraction form
    1,213,609.66/1,821,227.15 = 503,638.38/x
  3. Step 3: Cross multiply
    1,213,609.66x = 1,821,227.15 × 503,638.38
  4. Step 4: Simplify right side
    1,213,609.66x = 917,239,892,697.11
  5. Step 5: Solve for x
    x = 917,239,892,697.11/1,213,609.66
  6. Step 6: Final answer
    x = 755,794.82

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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.