Home / 1,131,832.72-1,561,929.96-622,573.84

Finding the Fourth Proportional to 1,131,832.72, 1,561,929.96 and 622,573.84

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Solution

The fourth proportional to 1,131,832.72, 1,561,929.96 and 622,573.84 is: 859,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,832.72 : 1,561,929.96 = 622,573.84 : x
  2. Step 2: Convert to fraction form
    1,131,832.72/1,561,929.96 = 622,573.84/x
  3. Step 3: Cross multiply
    1,131,832.72x = 1,561,929.96 × 622,573.84
  4. Step 4: Simplify right side
    1,131,832.72x = 972,416,733,008.25
  5. Step 5: Solve for x
    x = 972,416,733,008.25/1,131,832.72
  6. Step 6: Final answer
    x = 859,152.34

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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.