Home / 886,612.56-1,223,221.96-504,543.76

Finding the Fourth Proportional to 886,612.56, 1,223,221.96 and 504,543.76

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Solution

The fourth proportional to 886,612.56, 1,223,221.96 and 504,543.76 is: 696,097.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,612.56 : 1,223,221.96 = 504,543.76 : x
  2. Step 2: Convert to fraction form
    886,612.56/1,223,221.96 = 504,543.76/x
  3. Step 3: Cross multiply
    886,612.56x = 1,223,221.96 × 504,543.76
  4. Step 4: Simplify right side
    886,612.56x = 617,169,007,012.97
  5. Step 5: Solve for x
    x = 617,169,007,012.97/886,612.56
  6. Step 6: Final answer
    x = 696,097.75

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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.