Home / 1,127,338.12-1,690,982.53-274,414.27

Finding the Fourth Proportional to 1,127,338.12, 1,690,982.53 and 274,414.27

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Solution

The fourth proportional to 1,127,338.12, 1,690,982.53 and 274,414.27 is: 411,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,338.12 : 1,690,982.53 = 274,414.27 : x
  2. Step 2: Convert to fraction form
    1,127,338.12/1,690,982.53 = 274,414.27/x
  3. Step 3: Cross multiply
    1,127,338.12x = 1,690,982.53 × 274,414.27
  4. Step 4: Simplify right side
    1,127,338.12x = 464,029,736,552.70
  5. Step 5: Solve for x
    x = 464,029,736,552.70/1,127,338.12
  6. Step 6: Final answer
    x = 411,615.40

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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.