Home / 728,816.80-1,093,225.20-700,823.20

Finding the Fourth Proportional to 728,816.80, 1,093,225.20 and 700,823.20

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Solution

The fourth proportional to 728,816.80, 1,093,225.20 and 700,823.20 is: 1,051,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,816.80 : 1,093,225.20 = 700,823.20 : x
  2. Step 2: Convert to fraction form
    728,816.80/1,093,225.20 = 700,823.20/x
  3. Step 3: Cross multiply
    728,816.80x = 1,093,225.20 × 700,823.20
  4. Step 4: Simplify right side
    728,816.80x = 766,157,582,984.64
  5. Step 5: Solve for x
    x = 766,157,582,984.64/728,816.80
  6. Step 6: Final answer
    x = 1,051,234.80

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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.