Home / 850,615.10-1,275,922.65-702,992.60

Finding the Fourth Proportional to 850,615.10, 1,275,922.65 and 702,992.60

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Solution

The fourth proportional to 850,615.10, 1,275,922.65 and 702,992.60 is: 1,054,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,615.10 : 1,275,922.65 = 702,992.60 : x
  2. Step 2: Convert to fraction form
    850,615.10/1,275,922.65 = 702,992.60/x
  3. Step 3: Cross multiply
    850,615.10x = 1,275,922.65 × 702,992.60
  4. Step 4: Simplify right side
    850,615.10x = 896,964,181,122.39
  5. Step 5: Solve for x
    x = 896,964,181,122.39/850,615.10
  6. Step 6: Final answer
    x = 1,054,488.90

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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.