Home / 639,552.22-882,558.87-353,066.15

Finding the Fourth Proportional to 639,552.22, 882,558.87 and 353,066.15

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Solution

The fourth proportional to 639,552.22, 882,558.87 and 353,066.15 is: 487,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,552.22 : 882,558.87 = 353,066.15 : x
  2. Step 2: Convert to fraction form
    639,552.22/882,558.87 = 353,066.15/x
  3. Step 3: Cross multiply
    639,552.22x = 882,558.87 × 353,066.15
  4. Step 4: Simplify right side
    639,552.22x = 311,601,662,379.25
  5. Step 5: Solve for x
    x = 311,601,662,379.25/639,552.22
  6. Step 6: Final answer
    x = 487,218.48

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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.