Home / 756,682.88-1,044,229.36-417,163.28

Finding the Fourth Proportional to 756,682.88, 1,044,229.36 and 417,163.28

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Solution

The fourth proportional to 756,682.88, 1,044,229.36 and 417,163.28 is: 575,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,682.88 : 1,044,229.36 = 417,163.28 : x
  2. Step 2: Convert to fraction form
    756,682.88/1,044,229.36 = 417,163.28/x
  3. Step 3: Cross multiply
    756,682.88x = 1,044,229.36 × 417,163.28
  4. Step 4: Simplify right side
    756,682.88x = 435,614,144,889.90
  5. Step 5: Solve for x
    x = 435,614,144,889.90/756,682.88
  6. Step 6: Final answer
    x = 575,689.18

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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.