Home / 1,129,032.14-1,557,355.62-669,821.60

Finding the Fourth Proportional to 1,129,032.14, 1,557,355.62 and 669,821.60

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Solution

The fourth proportional to 1,129,032.14, 1,557,355.62 and 669,821.60 is: 923,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,032.14 : 1,557,355.62 = 669,821.60 : x
  2. Step 2: Convert to fraction form
    1,129,032.14/1,557,355.62 = 669,821.60/x
  3. Step 3: Cross multiply
    1,129,032.14x = 1,557,355.62 × 669,821.60
  4. Step 4: Simplify right side
    1,129,032.14x = 1,043,150,425,370.61
  5. Step 5: Solve for x
    x = 1,043,150,425,370.61/1,129,032.14
  6. Step 6: Final answer
    x = 923,933.33

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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.