Home / 1,101,940.38-1,653,021.29-409,692.36

Finding the Fourth Proportional to 1,101,940.38, 1,653,021.29 and 409,692.36

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Solution

The fourth proportional to 1,101,940.38, 1,653,021.29 and 409,692.36 is: 614,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,940.38 : 1,653,021.29 = 409,692.36 : x
  2. Step 2: Convert to fraction form
    1,101,940.38/1,653,021.29 = 409,692.36/x
  3. Step 3: Cross multiply
    1,101,940.38x = 1,653,021.29 × 409,692.36
  4. Step 4: Simplify right side
    1,101,940.38x = 677,230,193,430.34
  5. Step 5: Solve for x
    x = 677,230,193,430.34/1,101,940.38
  6. Step 6: Final answer
    x = 614,579.70

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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.