Home / 385,582.48-579,261.72-273,540.88

Finding the Fourth Proportional to 385,582.48, 579,261.72 and 273,540.88

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Solution

The fourth proportional to 385,582.48, 579,261.72 and 273,540.88 is: 410,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,582.48 : 579,261.72 = 273,540.88 : x
  2. Step 2: Convert to fraction form
    385,582.48/579,261.72 = 273,540.88/x
  3. Step 3: Cross multiply
    385,582.48x = 579,261.72 × 273,540.88
  4. Step 4: Simplify right side
    385,582.48x = 158,451,760,639.11
  5. Step 5: Solve for x
    x = 158,451,760,639.11/385,582.48
  6. Step 6: Final answer
    x = 410,941.29

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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.