Home / 1,131,741.96-1,561,836.90-622,477.32

Finding the Fourth Proportional to 1,131,741.96, 1,561,836.90 and 622,477.32

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Solution

The fourth proportional to 1,131,741.96, 1,561,836.90 and 622,477.32 is: 859,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,741.96 : 1,561,836.90 = 622,477.32 : x
  2. Step 2: Convert to fraction form
    1,131,741.96/1,561,836.90 = 622,477.32/x
  3. Step 3: Cross multiply
    1,131,741.96x = 1,561,836.90 × 622,477.32
  4. Step 4: Simplify right side
    1,131,741.96x = 972,208,047,789.11
  5. Step 5: Solve for x
    x = 972,208,047,789.11/1,131,741.96
  6. Step 6: Final answer
    x = 859,036.85

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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.