Home / 1,042,721.37-1,564,109.39-332,748.73

Finding the Fourth Proportional to 1,042,721.37, 1,564,109.39 and 332,748.73

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Solution

The fourth proportional to 1,042,721.37, 1,564,109.39 and 332,748.73 is: 499,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,721.37 : 1,564,109.39 = 332,748.73 : x
  2. Step 2: Convert to fraction form
    1,042,721.37/1,564,109.39 = 332,748.73/x
  3. Step 3: Cross multiply
    1,042,721.37x = 1,564,109.39 × 332,748.73
  4. Step 4: Simplify right side
    1,042,721.37x = 520,455,407,092.47
  5. Step 5: Solve for x
    x = 520,455,407,092.47/1,042,721.37
  6. Step 6: Final answer
    x = 499,131.81

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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.