Home / 936,182.88-1,291,611.42-528,234.48

Finding the Fourth Proportional to 936,182.88, 1,291,611.42 and 528,234.48

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Solution

The fourth proportional to 936,182.88, 1,291,611.42 and 528,234.48 is: 728,782.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,182.88 : 1,291,611.42 = 528,234.48 : x
  2. Step 2: Convert to fraction form
    936,182.88/1,291,611.42 = 528,234.48/x
  3. Step 3: Cross multiply
    936,182.88x = 1,291,611.42 × 528,234.48
  4. Step 4: Simplify right side
    936,182.88x = 682,273,686,805.76
  5. Step 5: Solve for x
    x = 682,273,686,805.76/936,182.88
  6. Step 6: Final answer
    x = 728,782.49

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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.