Home / 1,783,913.72-2,675,876.85-521,741.34

Finding the Fourth Proportional to 1,783,913.72, 2,675,876.85 and 521,741.34

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Solution

The fourth proportional to 1,783,913.72, 2,675,876.85 and 521,741.34 is: 782,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,913.72 : 2,675,876.85 = 521,741.34 : x
  2. Step 2: Convert to fraction form
    1,783,913.72/2,675,876.85 = 521,741.34/x
  3. Step 3: Cross multiply
    1,783,913.72x = 2,675,876.85 × 521,741.34
  4. Step 4: Simplify right side
    1,783,913.72x = 1,396,115,573,393.98
  5. Step 5: Solve for x
    x = 1,396,115,573,393.98/1,783,913.72
  6. Step 6: Final answer
    x = 782,613.85

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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.