Home / 1,197,409.83-1,796,640.73-628,658.81

Finding the Fourth Proportional to 1,197,409.83, 1,796,640.73 and 628,658.81

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Solution

The fourth proportional to 1,197,409.83, 1,796,640.73 and 628,658.81 is: 943,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,409.83 : 1,796,640.73 = 628,658.81 : x
  2. Step 2: Convert to fraction form
    1,197,409.83/1,796,640.73 = 628,658.81/x
  3. Step 3: Cross multiply
    1,197,409.83x = 1,796,640.73 × 628,658.81
  4. Step 4: Simplify right side
    1,197,409.83x = 1,129,474,023,319.33
  5. Step 5: Solve for x
    x = 1,129,474,023,319.33/1,197,409.83
  6. Step 6: Final answer
    x = 943,264.37

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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.