Home / 1,003,691.80-1,504,371.30-404,356.60

Finding the Fourth Proportional to 1,003,691.80, 1,504,371.30 and 404,356.60

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Solution

The fourth proportional to 1,003,691.80, 1,504,371.30 and 404,356.60 is: 606,064.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,691.80 : 1,504,371.30 = 404,356.60 : x
  2. Step 2: Convert to fraction form
    1,003,691.80/1,504,371.30 = 404,356.60/x
  3. Step 3: Cross multiply
    1,003,691.80x = 1,504,371.30 × 404,356.60
  4. Step 4: Simplify right side
    1,003,691.80x = 608,302,464,005.58
  5. Step 5: Solve for x
    x = 608,302,464,005.58/1,003,691.80
  6. Step 6: Final answer
    x = 606,064.99

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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.