Home / 728,814.80-1,093,222.20-700,821.20

Finding the Fourth Proportional to 728,814.80, 1,093,222.20 and 700,821.20

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Solution

The fourth proportional to 728,814.80, 1,093,222.20 and 700,821.20 is: 1,051,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,814.80 : 1,093,222.20 = 700,821.20 : x
  2. Step 2: Convert to fraction form
    728,814.80/1,093,222.20 = 700,821.20/x
  3. Step 3: Cross multiply
    728,814.80x = 1,093,222.20 × 700,821.20
  4. Step 4: Simplify right side
    728,814.80x = 766,153,294,070.64
  5. Step 5: Solve for x
    x = 766,153,294,070.64/728,814.80
  6. Step 6: Final answer
    x = 1,051,231.80

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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.