Home / 785,854.30-1,178,789.68-629,079.34

Finding the Fourth Proportional to 785,854.30, 1,178,789.68 and 629,079.34

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Solution

The fourth proportional to 785,854.30, 1,178,789.68 and 629,079.34 is: 943,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,854.30 : 1,178,789.68 = 629,079.34 : x
  2. Step 2: Convert to fraction form
    785,854.30/1,178,789.68 = 629,079.34/x
  3. Step 3: Cross multiply
    785,854.30x = 1,178,789.68 × 629,079.34
  4. Step 4: Simplify right side
    785,854.30x = 741,552,233,893.21
  5. Step 5: Solve for x
    x = 741,552,233,893.21/785,854.30
  6. Step 6: Final answer
    x = 943,625.60

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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.