Home / 842,629.13-1,263,819.30-310,026.29

Finding the Fourth Proportional to 842,629.13, 1,263,819.30 and 310,026.29

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Solution

The fourth proportional to 842,629.13, 1,263,819.30 and 310,026.29 is: 464,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,629.13 : 1,263,819.30 = 310,026.29 : x
  2. Step 2: Convert to fraction form
    842,629.13/1,263,819.30 = 310,026.29/x
  3. Step 3: Cross multiply
    842,629.13x = 1,263,819.30 × 310,026.29
  4. Step 4: Simplify right side
    842,629.13x = 391,817,202,490.30
  5. Step 5: Solve for x
    x = 391,817,202,490.30/842,629.13
  6. Step 6: Final answer
    x = 464,993.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.