Home / 1,296,267.91-1,789,692.33-1,160,067.70

Finding the Fourth Proportional to 1,296,267.91, 1,789,692.33 and 1,160,067.70

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Solution

The fourth proportional to 1,296,267.91, 1,789,692.33 and 1,160,067.70 is: 1,601,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,267.91 : 1,789,692.33 = 1,160,067.70 : x
  2. Step 2: Convert to fraction form
    1,296,267.91/1,789,692.33 = 1,160,067.70/x
  3. Step 3: Cross multiply
    1,296,267.91x = 1,789,692.33 × 1,160,067.70
  4. Step 4: Simplify right side
    1,296,267.91x = 2,076,164,260,496.51
  5. Step 5: Solve for x
    x = 2,076,164,260,496.51/1,296,267.91
  6. Step 6: Final answer
    x = 1,601,647.51

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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.