Home / 959,169.60-1,437,633.76-721,749.44

Finding the Fourth Proportional to 959,169.60, 1,437,633.76 and 721,749.44

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Solution

The fourth proportional to 959,169.60, 1,437,633.76 and 721,749.44 is: 1,081,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,169.60 : 1,437,633.76 = 721,749.44 : x
  2. Step 2: Convert to fraction form
    959,169.60/1,437,633.76 = 721,749.44/x
  3. Step 3: Cross multiply
    959,169.60x = 1,437,633.76 × 721,749.44
  4. Step 4: Simplify right side
    959,169.60x = 1,037,611,361,205.09
  5. Step 5: Solve for x
    x = 1,037,611,361,205.09/959,169.60
  6. Step 6: Final answer
    x = 1,081,780.91

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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.