Home / 377,614.17-521,120.28-205,538.37

Finding the Fourth Proportional to 377,614.17, 521,120.28 and 205,538.37

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Solution

The fourth proportional to 377,614.17, 521,120.28 and 205,538.37 is: 283,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,614.17 : 521,120.28 = 205,538.37 : x
  2. Step 2: Convert to fraction form
    377,614.17/521,120.28 = 205,538.37/x
  3. Step 3: Cross multiply
    377,614.17x = 521,120.28 × 205,538.37
  4. Step 4: Simplify right side
    377,614.17x = 107,110,212,925.14
  5. Step 5: Solve for x
    x = 107,110,212,925.14/377,614.17
  6. Step 6: Final answer
    x = 283,649.88

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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.