Home / 1,131,820.24-1,561,941.48-622,535.98

Finding the Fourth Proportional to 1,131,820.24, 1,561,941.48 and 622,535.98

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Solution

The fourth proportional to 1,131,820.24, 1,561,941.48 and 622,535.98 is: 859,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,820.24 : 1,561,941.48 = 622,535.98 : x
  2. Step 2: Convert to fraction form
    1,131,820.24/1,561,941.48 = 622,535.98/x
  3. Step 3: Cross multiply
    1,131,820.24x = 1,561,941.48 × 622,535.98
  4. Step 4: Simplify right side
    1,131,820.24x = 972,364,769,954.45
  5. Step 5: Solve for x
    x = 972,364,769,954.45/1,131,820.24
  6. Step 6: Final answer
    x = 859,115.91

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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.