Home / 945,807.30-1,305,245.54-516,111.01

Finding the Fourth Proportional to 945,807.30, 1,305,245.54 and 516,111.01

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Solution

The fourth proportional to 945,807.30, 1,305,245.54 and 516,111.01 is: 712,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,807.30 : 1,305,245.54 = 516,111.01 : x
  2. Step 2: Convert to fraction form
    945,807.30/1,305,245.54 = 516,111.01/x
  3. Step 3: Cross multiply
    945,807.30x = 1,305,245.54 × 516,111.01
  4. Step 4: Simplify right side
    945,807.30x = 673,651,591,974.56
  5. Step 5: Solve for x
    x = 673,651,591,974.56/945,807.30
  6. Step 6: Final answer
    x = 712,250.36

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Double scale
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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.