Home / 872,074.11-1,203,489.60-527,973.15

Finding the Fourth Proportional to 872,074.11, 1,203,489.60 and 527,973.15

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Solution

The fourth proportional to 872,074.11, 1,203,489.60 and 527,973.15 is: 728,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,074.11 : 1,203,489.60 = 527,973.15 : x
  2. Step 2: Convert to fraction form
    872,074.11/1,203,489.60 = 527,973.15/x
  3. Step 3: Cross multiply
    872,074.11x = 1,203,489.60 × 527,973.15
  4. Step 4: Simplify right side
    872,074.11x = 635,410,195,104.24
  5. Step 5: Solve for x
    x = 635,410,195,104.24/872,074.11
  6. Step 6: Final answer
    x = 728,619.49

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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.