Home / 1,212,627.92-1,673,544.87-906,172.20

Finding the Fourth Proportional to 1,212,627.92, 1,673,544.87 and 906,172.20

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Solution

The fourth proportional to 1,212,627.92, 1,673,544.87 and 906,172.20 is: 1,250,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,627.92 : 1,673,544.87 = 906,172.20 : x
  2. Step 2: Convert to fraction form
    1,212,627.92/1,673,544.87 = 906,172.20/x
  3. Step 3: Cross multiply
    1,212,627.92x = 1,673,544.87 × 906,172.20
  4. Step 4: Simplify right side
    1,212,627.92x = 1,516,519,836,646.61
  5. Step 5: Solve for x
    x = 1,516,519,836,646.61/1,212,627.92
  6. Step 6: Final answer
    x = 1,250,606.07

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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.