Home / 804,747.60-1,207,113.30-324,967.32

Finding the Fourth Proportional to 804,747.60, 1,207,113.30 and 324,967.32

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Solution

The fourth proportional to 804,747.60, 1,207,113.30 and 324,967.32 is: 487,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,747.60 : 1,207,113.30 = 324,967.32 : x
  2. Step 2: Convert to fraction form
    804,747.60/1,207,113.30 = 324,967.32/x
  3. Step 3: Cross multiply
    804,747.60x = 1,207,113.30 × 324,967.32
  4. Step 4: Simplify right side
    804,747.60x = 392,272,374,037.36
  5. Step 5: Solve for x
    x = 392,272,374,037.36/804,747.60
  6. Step 6: Final answer
    x = 487,447.71

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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.