Home / 872,104.32-1,203,395.72-504,644.56

Finding the Fourth Proportional to 872,104.32, 1,203,395.72 and 504,644.56

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Solution

The fourth proportional to 872,104.32, 1,203,395.72 and 504,644.56 is: 696,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,104.32 : 1,203,395.72 = 504,644.56 : x
  2. Step 2: Convert to fraction form
    872,104.32/1,203,395.72 = 504,644.56/x
  3. Step 3: Cross multiply
    872,104.32x = 1,203,395.72 × 504,644.56
  4. Step 4: Simplify right side
    872,104.32x = 607,287,103,625.28
  5. Step 5: Solve for x
    x = 607,287,103,625.28/872,104.32
  6. Step 6: Final answer
    x = 696,346.86

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Double scale
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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.