Home / 1,023,692.40-1,535,999.40-491,007.60

Finding the Fourth Proportional to 1,023,692.40, 1,535,999.40 and 491,007.60

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Solution

The fourth proportional to 1,023,692.40, 1,535,999.40 and 491,007.60 is: 736,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,692.40 : 1,535,999.40 = 491,007.60 : x
  2. Step 2: Convert to fraction form
    1,023,692.40/1,535,999.40 = 491,007.60/x
  3. Step 3: Cross multiply
    1,023,692.40x = 1,535,999.40 × 491,007.60
  4. Step 4: Simplify right side
    1,023,692.40x = 754,187,378,995.44
  5. Step 5: Solve for x
    x = 754,187,378,995.44/1,023,692.40
  6. Step 6: Final answer
    x = 736,732.42

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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.