Home / 842,438.75-1,162,566.09-460,465.54

Finding the Fourth Proportional to 842,438.75, 1,162,566.09 and 460,465.54

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Solution

The fourth proportional to 842,438.75, 1,162,566.09 and 460,465.54 is: 635,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,438.75 : 1,162,566.09 = 460,465.54 : x
  2. Step 2: Convert to fraction form
    842,438.75/1,162,566.09 = 460,465.54/x
  3. Step 3: Cross multiply
    842,438.75x = 1,162,566.09 × 460,465.54
  4. Step 4: Simplify right side
    842,438.75x = 535,321,619,511.12
  5. Step 5: Solve for x
    x = 535,321,619,511.12/842,438.75
  6. Step 6: Final answer
    x = 635,442.78

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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.