Home / 721,849.60-1,082,920.20-248,582.80

Finding the Fourth Proportional to 721,849.60, 1,082,920.20 and 248,582.80

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Solution

The fourth proportional to 721,849.60, 1,082,920.20 and 248,582.80 is: 372,924.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,849.60 : 1,082,920.20 = 248,582.80 : x
  2. Step 2: Convert to fraction form
    721,849.60/1,082,920.20 = 248,582.80/x
  3. Step 3: Cross multiply
    721,849.60x = 1,082,920.20 × 248,582.80
  4. Step 4: Simplify right side
    721,849.60x = 269,195,335,492.56
  5. Step 5: Solve for x
    x = 269,195,335,492.56/721,849.60
  6. Step 6: Final answer
    x = 372,924.41

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1.5x scale

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.