Home / 1,276,131.24-1,761,185.23-953,280.83

Finding the Fourth Proportional to 1,276,131.24, 1,761,185.23 and 953,280.83

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Solution

The fourth proportional to 1,276,131.24, 1,761,185.23 and 953,280.83 is: 1,315,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,131.24 : 1,761,185.23 = 953,280.83 : x
  2. Step 2: Convert to fraction form
    1,276,131.24/1,761,185.23 = 953,280.83/x
  3. Step 3: Cross multiply
    1,276,131.24x = 1,761,185.23 × 953,280.83
  4. Step 4: Simplify right side
    1,276,131.24x = 1,678,904,119,857.90
  5. Step 5: Solve for x
    x = 1,678,904,119,857.90/1,276,131.24
  6. Step 6: Final answer
    x = 1,315,620.26

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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.