Home / 1,143,609-1,577,147.22-713,928.84

Finding the Fourth Proportional to 1,143,609, 1,577,147.22 and 713,928.84

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Solution

The fourth proportional to 1,143,609, 1,577,147.22 and 713,928.84 is: 984,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,609 : 1,577,147.22 = 713,928.84 : x
  2. Step 2: Convert to fraction form
    1,143,609/1,577,147.22 = 713,928.84/x
  3. Step 3: Cross multiply
    1,143,609x = 1,577,147.22 × 713,928.84
  4. Step 4: Simplify right side
    1,143,609x = 1,125,970,885,283.82
  5. Step 5: Solve for x
    x = 1,125,970,885,283.82/1,143,609
  6. Step 6: Final answer
    x = 984,576.80

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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.