Home / 866,457.38-1,299,689.67-568,821.26

Finding the Fourth Proportional to 866,457.38, 1,299,689.67 and 568,821.26

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Solution

The fourth proportional to 866,457.38, 1,299,689.67 and 568,821.26 is: 853,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,457.38 : 1,299,689.67 = 568,821.26 : x
  2. Step 2: Convert to fraction form
    866,457.38/1,299,689.67 = 568,821.26/x
  3. Step 3: Cross multiply
    866,457.38x = 1,299,689.67 × 568,821.26
  4. Step 4: Simplify right side
    866,457.38x = 739,291,115,698.38
  5. Step 5: Solve for x
    x = 739,291,115,698.38/866,457.38
  6. Step 6: Final answer
    x = 853,234.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.