Home / 654,542.20-903,273.66-368,059.80

Finding the Fourth Proportional to 654,542.20, 903,273.66 and 368,059.80

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Solution

The fourth proportional to 654,542.20, 903,273.66 and 368,059.80 is: 507,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,542.20 : 903,273.66 = 368,059.80 : x
  2. Step 2: Convert to fraction form
    654,542.20/903,273.66 = 368,059.80/x
  3. Step 3: Cross multiply
    654,542.20x = 903,273.66 × 368,059.80
  4. Step 4: Simplify right side
    654,542.20x = 332,458,722,644.87
  5. Step 5: Solve for x
    x = 332,458,722,644.87/654,542.20
  6. Step 6: Final answer
    x = 507,925.57

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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.