Home / 1,129,544.01-1,558,789.79-620,293.77

Finding the Fourth Proportional to 1,129,544.01, 1,558,789.79 and 620,293.77

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Solution

The fourth proportional to 1,129,544.01, 1,558,789.79 and 620,293.77 is: 856,015.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,544.01 : 1,558,789.79 = 620,293.77 : x
  2. Step 2: Convert to fraction form
    1,129,544.01/1,558,789.79 = 620,293.77/x
  3. Step 3: Cross multiply
    1,129,544.01x = 1,558,789.79 × 620,293.77
  4. Step 4: Simplify right side
    1,129,544.01x = 966,907,592,375.14
  5. Step 5: Solve for x
    x = 966,907,592,375.14/1,129,544.01
  6. Step 6: Final answer
    x = 856,015.86

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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.