Home / 945,883.03-1,305,346.31-516,190.90

Finding the Fourth Proportional to 945,883.03, 1,305,346.31 and 516,190.90

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Solution

The fourth proportional to 945,883.03, 1,305,346.31 and 516,190.90 is: 712,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,883.03 : 1,305,346.31 = 516,190.90 : x
  2. Step 2: Convert to fraction form
    945,883.03/1,305,346.31 = 516,190.90/x
  3. Step 3: Cross multiply
    945,883.03x = 1,305,346.31 × 516,190.90
  4. Step 4: Simplify right side
    945,883.03x = 673,807,881,334.33
  5. Step 5: Solve for x
    x = 673,807,881,334.33/945,883.03
  6. Step 6: Final answer
    x = 712,358.57

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1.5x scale

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.