Home / 936,008.36-1,291,691.82-528,196.88

Finding the Fourth Proportional to 936,008.36, 1,291,691.82 and 528,196.88

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Solution

The fourth proportional to 936,008.36, 1,291,691.82 and 528,196.88 is: 728,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,008.36 : 1,291,691.82 = 528,196.88 : x
  2. Step 2: Convert to fraction form
    936,008.36/1,291,691.82 = 528,196.88/x
  3. Step 3: Cross multiply
    936,008.36x = 1,291,691.82 × 528,196.88
  4. Step 4: Simplify right side
    936,008.36x = 682,267,589,245.52
  5. Step 5: Solve for x
    x = 682,267,589,245.52/936,008.36
  6. Step 6: Final answer
    x = 728,911.85

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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.