Home / 1,208,046.22-1,667,107.11-664,237.60

Finding the Fourth Proportional to 1,208,046.22, 1,667,107.11 and 664,237.60

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Solution

The fourth proportional to 1,208,046.22, 1,667,107.11 and 664,237.60 is: 916,649.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,046.22 : 1,667,107.11 = 664,237.60 : x
  2. Step 2: Convert to fraction form
    1,208,046.22/1,667,107.11 = 664,237.60/x
  3. Step 3: Cross multiply
    1,208,046.22x = 1,667,107.11 × 664,237.60
  4. Step 4: Simplify right side
    1,208,046.22x = 1,107,355,225,689.34
  5. Step 5: Solve for x
    x = 1,107,355,225,689.34/1,208,046.22
  6. Step 6: Final answer
    x = 916,649.72

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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.