Home / 1,305,621.12-1,801,295.28-853,174.56

Finding the Fourth Proportional to 1,305,621.12, 1,801,295.28 and 853,174.56

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Solution

The fourth proportional to 1,305,621.12, 1,801,295.28 and 853,174.56 is: 1,177,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,621.12 : 1,801,295.28 = 853,174.56 : x
  2. Step 2: Convert to fraction form
    1,305,621.12/1,801,295.28 = 853,174.56/x
  3. Step 3: Cross multiply
    1,305,621.12x = 1,801,295.28 × 853,174.56
  4. Step 4: Simplify right side
    1,305,621.12x = 1,536,819,307,944.08
  5. Step 5: Solve for x
    x = 1,536,819,307,944.08/1,305,621.12
  6. Step 6: Final answer
    x = 1,177,079.08

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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.