Home / 1,175,854.08-1,622,676.48-639,308.80

Finding the Fourth Proportional to 1,175,854.08, 1,622,676.48 and 639,308.80

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Solution

The fourth proportional to 1,175,854.08, 1,622,676.48 and 639,308.80 is: 882,244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,854.08 : 1,622,676.48 = 639,308.80 : x
  2. Step 2: Convert to fraction form
    1,175,854.08/1,622,676.48 = 639,308.80/x
  3. Step 3: Cross multiply
    1,175,854.08x = 1,622,676.48 × 639,308.80
  4. Step 4: Simplify right side
    1,175,854.08x = 1,037,391,353,217.02
  5. Step 5: Solve for x
    x = 1,037,391,353,217.02/1,175,854.08
  6. Step 6: Final answer
    x = 882,244.97

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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.