Home / 945,659.54-1,305,005.82-515,938.34

Finding the Fourth Proportional to 945,659.54, 1,305,005.82 and 515,938.34

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Solution

The fourth proportional to 945,659.54, 1,305,005.82 and 515,938.34 is: 711,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,659.54 : 1,305,005.82 = 515,938.34 : x
  2. Step 2: Convert to fraction form
    945,659.54/1,305,005.82 = 515,938.34/x
  3. Step 3: Cross multiply
    945,659.54x = 1,305,005.82 × 515,938.34
  4. Step 4: Simplify right side
    945,659.54x = 673,302,536,461.14
  5. Step 5: Solve for x
    x = 673,302,536,461.14/945,659.54
  6. Step 6: Final answer
    x = 711,992.54

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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.