Home / 644,664.66-965,668.23-377,615.56

Finding the Fourth Proportional to 644,664.66, 965,668.23 and 377,615.56

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Solution

The fourth proportional to 644,664.66, 965,668.23 and 377,615.56 is: 565,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,664.66 : 965,668.23 = 377,615.56 : x
  2. Step 2: Convert to fraction form
    644,664.66/965,668.23 = 377,615.56/x
  3. Step 3: Cross multiply
    644,664.66x = 965,668.23 × 377,615.56
  4. Step 4: Simplify right side
    644,664.66x = 364,651,349,445.66
  5. Step 5: Solve for x
    x = 364,651,349,445.66/644,664.66
  6. Step 6: Final answer
    x = 565,645.01

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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.