Home / 842,715.12-1,263,974.22-337,255.68

Finding the Fourth Proportional to 842,715.12, 1,263,974.22 and 337,255.68

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Solution

The fourth proportional to 842,715.12, 1,263,974.22 and 337,255.68 is: 505,844.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,715.12 : 1,263,974.22 = 337,255.68 : x
  2. Step 2: Convert to fraction form
    842,715.12/1,263,974.22 = 337,255.68/x
  3. Step 3: Cross multiply
    842,715.12x = 1,263,974.22 × 337,255.68
  4. Step 4: Simplify right side
    842,715.12x = 426,282,485,068.57
  5. Step 5: Solve for x
    x = 426,282,485,068.57/842,715.12
  6. Step 6: Final answer
    x = 505,844.12

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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.