Home / 1,129,704.51-1,558,992.24-620,406.93

Finding the Fourth Proportional to 1,129,704.51, 1,558,992.24 and 620,406.93

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Solution

The fourth proportional to 1,129,704.51, 1,558,992.24 and 620,406.93 is: 856,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,704.51 : 1,558,992.24 = 620,406.93 : x
  2. Step 2: Convert to fraction form
    1,129,704.51/1,558,992.24 = 620,406.93/x
  3. Step 3: Cross multiply
    1,129,704.51x = 1,558,992.24 × 620,406.93
  4. Step 4: Simplify right side
    1,129,704.51x = 967,209,589,512.22
  5. Step 5: Solve for x
    x = 967,209,589,512.22/1,129,704.51
  6. Step 6: Final answer
    x = 856,161.57

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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.