Home / 1,328,833.08-1,833,214.41-812,609.55

Finding the Fourth Proportional to 1,328,833.08, 1,833,214.41 and 812,609.55

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Solution

The fourth proportional to 1,328,833.08, 1,833,214.41 and 812,609.55 is: 1,121,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,833.08 : 1,833,214.41 = 812,609.55 : x
  2. Step 2: Convert to fraction form
    1,328,833.08/1,833,214.41 = 812,609.55/x
  3. Step 3: Cross multiply
    1,328,833.08x = 1,833,214.41 × 812,609.55
  4. Step 4: Simplify right side
    1,328,833.08x = 1,489,687,536,763.62
  5. Step 5: Solve for x
    x = 1,489,687,536,763.62/1,328,833.08
  6. Step 6: Final answer
    x = 1,121,049.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.