Home / 936,244-1,292,049.96-528,445.12

Finding the Fourth Proportional to 936,244, 1,292,049.96 and 528,445.12

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Solution

The fourth proportional to 936,244, 1,292,049.96 and 528,445.12 is: 729,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,244 : 1,292,049.96 = 528,445.12 : x
  2. Step 2: Convert to fraction form
    936,244/1,292,049.96 = 528,445.12/x
  3. Step 3: Cross multiply
    936,244x = 1,292,049.96 × 528,445.12
  4. Step 4: Simplify right side
    936,244x = 682,777,496,158.20
  5. Step 5: Solve for x
    x = 682,777,496,158.20/936,244
  6. Step 6: Final answer
    x = 729,273.03

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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.