Home / 1,120,791.50-1,546,692.28-718,383.50

Finding the Fourth Proportional to 1,120,791.50, 1,546,692.28 and 718,383.50

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Solution

The fourth proportional to 1,120,791.50, 1,546,692.28 and 718,383.50 is: 991,369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,791.50 : 1,546,692.28 = 718,383.50 : x
  2. Step 2: Convert to fraction form
    1,120,791.50/1,546,692.28 = 718,383.50/x
  3. Step 3: Cross multiply
    1,120,791.50x = 1,546,692.28 × 718,383.50
  4. Step 4: Simplify right side
    1,120,791.50x = 1,111,118,213,529.38
  5. Step 5: Solve for x
    x = 1,111,118,213,529.38/1,120,791.50
  6. Step 6: Final answer
    x = 991,369.24

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1.5x scale

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.