Home / 843,926.50-1,265,459.10-274,941.73

Finding the Fourth Proportional to 843,926.50, 1,265,459.10 and 274,941.73

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Solution

The fourth proportional to 843,926.50, 1,265,459.10 and 274,941.73 is: 412,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,926.50 : 1,265,459.10 = 274,941.73 : x
  2. Step 2: Convert to fraction form
    843,926.50/1,265,459.10 = 274,941.73/x
  3. Step 3: Cross multiply
    843,926.50x = 1,265,459.10 × 274,941.73
  4. Step 4: Simplify right side
    843,926.50x = 347,927,514,198.24
  5. Step 5: Solve for x
    x = 347,927,514,198.24/843,926.50
  6. Step 6: Final answer
    x = 412,272.29

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1.5x scale

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.