Home / 1,332,236.70-1,996,058.70-620,805.60

Finding the Fourth Proportional to 1,332,236.70, 1,996,058.70 and 620,805.60

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Solution

The fourth proportional to 1,332,236.70, 1,996,058.70 and 620,805.60 is: 930,138.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,236.70 : 1,996,058.70 = 620,805.60 : x
  2. Step 2: Convert to fraction form
    1,332,236.70/1,996,058.70 = 620,805.60/x
  3. Step 3: Cross multiply
    1,332,236.70x = 1,996,058.70 × 620,805.60
  4. Step 4: Simplify right side
    1,332,236.70x = 1,239,164,418,888.72
  5. Step 5: Solve for x
    x = 1,239,164,418,888.72/1,332,236.70
  6. Step 6: Final answer
    x = 930,138.33

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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.