Home / 1,328,168.73-1,991,561.36-474,911.49

Finding the Fourth Proportional to 1,328,168.73, 1,991,561.36 and 474,911.49

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Solution

The fourth proportional to 1,328,168.73, 1,991,561.36 and 474,911.49 is: 712,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,168.73 : 1,991,561.36 = 474,911.49 : x
  2. Step 2: Convert to fraction form
    1,328,168.73/1,991,561.36 = 474,911.49/x
  3. Step 3: Cross multiply
    1,328,168.73x = 1,991,561.36 × 474,911.49
  4. Step 4: Simplify right side
    1,328,168.73x = 945,815,370,529.47
  5. Step 5: Solve for x
    x = 945,815,370,529.47/1,328,168.73
  6. Step 6: Final answer
    x = 712,119.89

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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.