Home / 1,131,965.44-1,562,145.28-648,576

Finding the Fourth Proportional to 1,131,965.44, 1,562,145.28 and 648,576

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Solution

The fourth proportional to 1,131,965.44, 1,562,145.28 and 648,576 is: 895,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,965.44 : 1,562,145.28 = 648,576 : x
  2. Step 2: Convert to fraction form
    1,131,965.44/1,562,145.28 = 648,576/x
  3. Step 3: Cross multiply
    1,131,965.44x = 1,562,145.28 × 648,576
  4. Step 4: Simplify right side
    1,131,965.44x = 1,013,169,937,121.28
  5. Step 5: Solve for x
    x = 1,013,169,937,121.28/1,131,965.44
  6. Step 6: Final answer
    x = 895,053.77

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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.