Home / 945,883.40-1,305,346.83-516,191.27

Finding the Fourth Proportional to 945,883.40, 1,305,346.83 and 516,191.27

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Solution

The fourth proportional to 945,883.40, 1,305,346.83 and 516,191.27 is: 712,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,883.40 : 1,305,346.83 = 516,191.27 : x
  2. Step 2: Convert to fraction form
    945,883.40/1,305,346.83 = 516,191.27/x
  3. Step 3: Cross multiply
    945,883.40x = 1,305,346.83 × 516,191.27
  4. Step 4: Simplify right side
    945,883.40x = 673,808,637,968.17
  5. Step 5: Solve for x
    x = 673,808,637,968.17/945,883.40
  6. Step 6: Final answer
    x = 712,359.09

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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.