Home / 426,546.75-588,806.24-290,717.96

Finding the Fourth Proportional to 426,546.75, 588,806.24 and 290,717.96

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Solution

The fourth proportional to 426,546.75, 588,806.24 and 290,717.96 is: 401,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,546.75 : 588,806.24 = 290,717.96 : x
  2. Step 2: Convert to fraction form
    426,546.75/588,806.24 = 290,717.96/x
  3. Step 3: Cross multiply
    426,546.75x = 588,806.24 × 290,717.96
  4. Step 4: Simplify right side
    426,546.75x = 171,176,544,530.45
  5. Step 5: Solve for x
    x = 171,176,544,530.45/426,546.75
  6. Step 6: Final answer
    x = 401,307.82

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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.