Home / 725,414.38-1,000,016.75-506,944.78

Finding the Fourth Proportional to 725,414.38, 1,000,016.75 and 506,944.78

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Solution

The fourth proportional to 725,414.38, 1,000,016.75 and 506,944.78 is: 698,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,414.38 : 1,000,016.75 = 506,944.78 : x
  2. Step 2: Convert to fraction form
    725,414.38/1,000,016.75 = 506,944.78/x
  3. Step 3: Cross multiply
    725,414.38x = 1,000,016.75 × 506,944.78
  4. Step 4: Simplify right side
    725,414.38x = 506,953,270,092.39
  5. Step 5: Solve for x
    x = 506,953,270,092.39/725,414.38
  6. Step 6: Final answer
    x = 698,846.46

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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.