Home / 1,338,817.04-1,847,105.68-855,665

Finding the Fourth Proportional to 1,338,817.04, 1,847,105.68 and 855,665

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Solution

The fourth proportional to 1,338,817.04, 1,847,105.68 and 855,665 is: 1,180,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,817.04 : 1,847,105.68 = 855,665 : x
  2. Step 2: Convert to fraction form
    1,338,817.04/1,847,105.68 = 855,665/x
  3. Step 3: Cross multiply
    1,338,817.04x = 1,847,105.68 × 855,665
  4. Step 4: Simplify right side
    1,338,817.04x = 1,580,503,681,677.20
  5. Step 5: Solve for x
    x = 1,580,503,681,677.20/1,338,817.04
  6. Step 6: Final answer
    x = 1,180,522.53

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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.