Home / 510,933.12-705,087.92-296,197.68

Finding the Fourth Proportional to 510,933.12, 705,087.92 and 296,197.68

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Solution

The fourth proportional to 510,933.12, 705,087.92 and 296,197.68 is: 408,752.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,933.12 : 705,087.92 = 296,197.68 : x
  2. Step 2: Convert to fraction form
    510,933.12/705,087.92 = 296,197.68/x
  3. Step 3: Cross multiply
    510,933.12x = 705,087.92 × 296,197.68
  4. Step 4: Simplify right side
    510,933.12x = 208,845,404,619.04
  5. Step 5: Solve for x
    x = 208,845,404,619.04/510,933.12
  6. Step 6: Final answer
    x = 408,752.92

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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.