Home / 1,321,334.12-1,821,705.96-953,502.56

Finding the Fourth Proportional to 1,321,334.12, 1,821,705.96 and 953,502.56

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Solution

The fourth proportional to 1,321,334.12, 1,821,705.96 and 953,502.56 is: 1,314,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,334.12 : 1,821,705.96 = 953,502.56 : x
  2. Step 2: Convert to fraction form
    1,321,334.12/1,821,705.96 = 953,502.56/x
  3. Step 3: Cross multiply
    1,321,334.12x = 1,821,705.96 × 953,502.56
  4. Step 4: Simplify right side
    1,321,334.12x = 1,737,001,296,427.26
  5. Step 5: Solve for x
    x = 1,737,001,296,427.26/1,321,334.12
  6. Step 6: Final answer
    x = 1,314,581.43

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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.