Home / 784,231.75-1,082,467.02-508,582.27

Finding the Fourth Proportional to 784,231.75, 1,082,467.02 and 508,582.27

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Solution

The fourth proportional to 784,231.75, 1,082,467.02 and 508,582.27 is: 701,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,231.75 : 1,082,467.02 = 508,582.27 : x
  2. Step 2: Convert to fraction form
    784,231.75/1,082,467.02 = 508,582.27/x
  3. Step 3: Cross multiply
    784,231.75x = 1,082,467.02 × 508,582.27
  4. Step 4: Simplify right side
    784,231.75x = 550,523,534,231.74
  5. Step 5: Solve for x
    x = 550,523,534,231.74/784,231.75
  6. Step 6: Final answer
    x = 701,990.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.