Home / 1,212,886.20-1,819,329.30-834,972.60

Finding the Fourth Proportional to 1,212,886.20, 1,819,329.30 and 834,972.60

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Solution

The fourth proportional to 1,212,886.20, 1,819,329.30 and 834,972.60 is: 1,252,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,886.20 : 1,819,329.30 = 834,972.60 : x
  2. Step 2: Convert to fraction form
    1,212,886.20/1,819,329.30 = 834,972.60/x
  3. Step 3: Cross multiply
    1,212,886.20x = 1,819,329.30 × 834,972.60
  4. Step 4: Simplify right side
    1,212,886.20x = 1,519,090,115,877.18
  5. Step 5: Solve for x
    x = 1,519,090,115,877.18/1,212,886.20
  6. Step 6: Final answer
    x = 1,252,458.90

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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.