Home / 749,898.91-1,034,856.30-405,733.96

Finding the Fourth Proportional to 749,898.91, 1,034,856.30 and 405,733.96

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Solution

The fourth proportional to 749,898.91, 1,034,856.30 and 405,733.96 is: 559,910.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,898.91 : 1,034,856.30 = 405,733.96 : x
  2. Step 2: Convert to fraction form
    749,898.91/1,034,856.30 = 405,733.96/x
  3. Step 3: Cross multiply
    749,898.91x = 1,034,856.30 × 405,733.96
  4. Step 4: Simplify right side
    749,898.91x = 419,876,344,629.95
  5. Step 5: Solve for x
    x = 419,876,344,629.95/749,898.91
  6. Step 6: Final answer
    x = 559,910.59

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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.