Home / 1,138,865.24-1,571,585.28-622,609.58

Finding the Fourth Proportional to 1,138,865.24, 1,571,585.28 and 622,609.58

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Solution

The fourth proportional to 1,138,865.24, 1,571,585.28 and 622,609.58 is: 859,174.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,865.24 : 1,571,585.28 = 622,609.58 : x
  2. Step 2: Convert to fraction form
    1,138,865.24/1,571,585.28 = 622,609.58/x
  3. Step 3: Cross multiply
    1,138,865.24x = 1,571,585.28 × 622,609.58
  4. Step 4: Simplify right side
    1,138,865.24x = 978,484,051,114.98
  5. Step 5: Solve for x
    x = 978,484,051,114.98/1,138,865.24
  6. Step 6: Final answer
    x = 859,174.57

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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.