Home / 702,917.20-1,054,375.80-323,837.20

Finding the Fourth Proportional to 702,917.20, 1,054,375.80 and 323,837.20

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Solution

The fourth proportional to 702,917.20, 1,054,375.80 and 323,837.20 is: 485,755.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,917.20 : 1,054,375.80 = 323,837.20 : x
  2. Step 2: Convert to fraction form
    702,917.20/1,054,375.80 = 323,837.20/x
  3. Step 3: Cross multiply
    702,917.20x = 1,054,375.80 × 323,837.20
  4. Step 4: Simplify right side
    702,917.20x = 341,446,106,819.76
  5. Step 5: Solve for x
    x = 341,446,106,819.76/702,917.20
  6. Step 6: Final answer
    x = 485,755.80

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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.