Home / 417,822.88-626,574.37-177,786.63

Finding the Fourth Proportional to 417,822.88, 626,574.37 and 177,786.63

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Solution

The fourth proportional to 417,822.88, 626,574.37 and 177,786.63 is: 266,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,822.88 : 626,574.37 = 177,786.63 : x
  2. Step 2: Convert to fraction form
    417,822.88/626,574.37 = 177,786.63/x
  3. Step 3: Cross multiply
    417,822.88x = 626,574.37 × 177,786.63
  4. Step 4: Simplify right side
    417,822.88x = 111,396,545,686.67
  5. Step 5: Solve for x
    x = 111,396,545,686.67/417,822.88
  6. Step 6: Final answer
    x = 266,611.89

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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.