Home / 808,783.44-1,212,191.28-572,194.32

Finding the Fourth Proportional to 808,783.44, 1,212,191.28 and 572,194.32

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Solution

The fourth proportional to 808,783.44, 1,212,191.28 and 572,194.32 is: 857,595.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,783.44 : 1,212,191.28 = 572,194.32 : x
  2. Step 2: Convert to fraction form
    808,783.44/1,212,191.28 = 572,194.32/x
  3. Step 3: Cross multiply
    808,783.44x = 1,212,191.28 × 572,194.32
  4. Step 4: Simplify right side
    808,783.44x = 693,608,965,169.53
  5. Step 5: Solve for x
    x = 693,608,965,169.53/808,783.44
  6. Step 6: Final answer
    x = 857,595.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.