Home / 936,354.78-1,292,168.07-528,542.46

Finding the Fourth Proportional to 936,354.78, 1,292,168.07 and 528,542.46

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Solution

The fourth proportional to 936,354.78, 1,292,168.07 and 528,542.46 is: 729,387.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,354.78 : 1,292,168.07 = 528,542.46 : x
  2. Step 2: Convert to fraction form
    936,354.78/1,292,168.07 = 528,542.46/x
  3. Step 3: Cross multiply
    936,354.78x = 1,292,168.07 × 528,542.46
  4. Step 4: Simplify right side
    936,354.78x = 682,965,690,451.25
  5. Step 5: Solve for x
    x = 682,965,690,451.25/936,354.78
  6. Step 6: Final answer
    x = 729,387.73

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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.