Home / 878,853.75-1,212,947.60-556,593.81

Finding the Fourth Proportional to 878,853.75, 1,212,947.60 and 556,593.81

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Solution

The fourth proportional to 878,853.75, 1,212,947.60 and 556,593.81 is: 768,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,853.75 : 1,212,947.60 = 556,593.81 : x
  2. Step 2: Convert to fraction form
    878,853.75/1,212,947.60 = 556,593.81/x
  3. Step 3: Cross multiply
    878,853.75x = 1,212,947.60 × 556,593.81
  4. Step 4: Simplify right side
    878,853.75x = 675,119,123,231.39
  5. Step 5: Solve for x
    x = 675,119,123,231.39/878,853.75
  6. Step 6: Final answer
    x = 768,181.42

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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.