Home / 1,008,371.60-1,512,557.40-476,930.60

Finding the Fourth Proportional to 1,008,371.60, 1,512,557.40 and 476,930.60

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Solution

The fourth proportional to 1,008,371.60, 1,512,557.40 and 476,930.60 is: 715,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,371.60 : 1,512,557.40 = 476,930.60 : x
  2. Step 2: Convert to fraction form
    1,008,371.60/1,512,557.40 = 476,930.60/x
  3. Step 3: Cross multiply
    1,008,371.60x = 1,512,557.40 × 476,930.60
  4. Step 4: Simplify right side
    1,008,371.60x = 721,384,908,316.44
  5. Step 5: Solve for x
    x = 721,384,908,316.44/1,008,371.60
  6. Step 6: Final answer
    x = 715,395.90

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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.