Home / 628,640.33-943,106.90-179,367.35

Finding the Fourth Proportional to 628,640.33, 943,106.90 and 179,367.35

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Solution

The fourth proportional to 628,640.33, 943,106.90 and 179,367.35 is: 269,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,640.33 : 943,106.90 = 179,367.35 : x
  2. Step 2: Convert to fraction form
    628,640.33/943,106.90 = 179,367.35/x
  3. Step 3: Cross multiply
    628,640.33x = 943,106.90 × 179,367.35
  4. Step 4: Simplify right side
    628,640.33x = 169,162,579,807.34
  5. Step 5: Solve for x
    x = 169,162,579,807.34/628,640.33
  6. Step 6: Final answer
    x = 269,092.79

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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.