Home / 442,929.20-611,161.81-261,670.64

Finding the Fourth Proportional to 442,929.20, 611,161.81 and 261,670.64

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Solution

The fourth proportional to 442,929.20, 611,161.81 and 261,670.64 is: 361,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,929.20 : 611,161.81 = 261,670.64 : x
  2. Step 2: Convert to fraction form
    442,929.20/611,161.81 = 261,670.64/x
  3. Step 3: Cross multiply
    442,929.20x = 611,161.81 × 261,670.64
  4. Step 4: Simplify right side
    442,929.20x = 159,923,098,256.27
  5. Step 5: Solve for x
    x = 159,923,098,256.27/442,929.20
  6. Step 6: Final answer
    x = 361,057.93

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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.