Home / 905,859.44-1,250,101.82-497,978.47

Finding the Fourth Proportional to 905,859.44, 1,250,101.82 and 497,978.47

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Solution

The fourth proportional to 905,859.44, 1,250,101.82 and 497,978.47 is: 687,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,859.44 : 1,250,101.82 = 497,978.47 : x
  2. Step 2: Convert to fraction form
    905,859.44/1,250,101.82 = 497,978.47/x
  3. Step 3: Cross multiply
    905,859.44x = 1,250,101.82 × 497,978.47
  4. Step 4: Simplify right side
    905,859.44x = 622,523,791,667.82
  5. Step 5: Solve for x
    x = 622,523,791,667.82/905,859.44
  6. Step 6: Final answer
    x = 687,218.97

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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.