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Finding the Fourth Proportional to 1,409,692.59, 1,945,346.76 and 797,834.43

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Solution

The fourth proportional to 1,409,692.59, 1,945,346.76 and 797,834.43 is: 1,100,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,692.59 : 1,945,346.76 = 797,834.43 : x
  2. Step 2: Convert to fraction form
    1,409,692.59/1,945,346.76 = 797,834.43/x
  3. Step 3: Cross multiply
    1,409,692.59x = 1,945,346.76 × 797,834.43
  4. Step 4: Simplify right side
    1,409,692.59x = 1,552,064,623,416.95
  5. Step 5: Solve for x
    x = 1,552,064,623,416.95/1,409,692.59
  6. Step 6: Final answer
    x = 1,100,995.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.