Home / 377,738.68-521,279.46-205,656.66

Finding the Fourth Proportional to 377,738.68, 521,279.46 and 205,656.66

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Solution

The fourth proportional to 377,738.68, 521,279.46 and 205,656.66 is: 283,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,738.68 : 521,279.46 = 205,656.66 : x
  2. Step 2: Convert to fraction form
    377,738.68/521,279.46 = 205,656.66/x
  3. Step 3: Cross multiply
    377,738.68x = 521,279.46 × 205,656.66
  4. Step 4: Simplify right side
    377,738.68x = 107,204,592,670.20
  5. Step 5: Solve for x
    x = 107,204,592,670.20/377,738.68
  6. Step 6: Final answer
    x = 283,806.24

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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.