Home / 872,251.22-1,203,530.23-509,605.04

Finding the Fourth Proportional to 872,251.22, 1,203,530.23 and 509,605.04

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Solution

The fourth proportional to 872,251.22, 1,203,530.23 and 509,605.04 is: 703,151.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,251.22 : 1,203,530.23 = 509,605.04 : x
  2. Step 2: Convert to fraction form
    872,251.22/1,203,530.23 = 509,605.04/x
  3. Step 3: Cross multiply
    872,251.22x = 1,203,530.23 × 509,605.04
  4. Step 4: Simplify right side
    872,251.22x = 613,325,068,452.33
  5. Step 5: Solve for x
    x = 613,325,068,452.33/872,251.22
  6. Step 6: Final answer
    x = 703,151.86

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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.