Home / 1,205,608.20-1,808,714.70-531,817.80

Finding the Fourth Proportional to 1,205,608.20, 1,808,714.70 and 531,817.80

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Solution

The fourth proportional to 1,205,608.20, 1,808,714.70 and 531,817.80 is: 797,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,608.20 : 1,808,714.70 = 531,817.80 : x
  2. Step 2: Convert to fraction form
    1,205,608.20/1,808,714.70 = 531,817.80/x
  3. Step 3: Cross multiply
    1,205,608.20x = 1,808,714.70 × 531,817.80
  4. Step 4: Simplify right side
    1,205,608.20x = 961,906,672,581.66
  5. Step 5: Solve for x
    x = 961,906,672,581.66/1,205,608.20
  6. Step 6: Final answer
    x = 797,860.09

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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.