Home / 1,209,874.82-1,669,648.48-658,606.38

Finding the Fourth Proportional to 1,209,874.82, 1,669,648.48 and 658,606.38

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Solution

The fourth proportional to 1,209,874.82, 1,669,648.48 and 658,606.38 is: 908,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,874.82 : 1,669,648.48 = 658,606.38 : x
  2. Step 2: Convert to fraction form
    1,209,874.82/1,669,648.48 = 658,606.38/x
  3. Step 3: Cross multiply
    1,209,874.82x = 1,669,648.48 × 658,606.38
  4. Step 4: Simplify right side
    1,209,874.82x = 1,099,641,133,377.60
  5. Step 5: Solve for x
    x = 1,099,641,133,377.60/1,209,874.82
  6. Step 6: Final answer
    x = 908,888.36

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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.