Home / 1,137,201.14-1,705,231.17-378,775.87

Finding the Fourth Proportional to 1,137,201.14, 1,705,231.17 and 378,775.87

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Solution

The fourth proportional to 1,137,201.14, 1,705,231.17 and 378,775.87 is: 567,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,201.14 : 1,705,231.17 = 378,775.87 : x
  2. Step 2: Convert to fraction form
    1,137,201.14/1,705,231.17 = 378,775.87/x
  3. Step 3: Cross multiply
    1,137,201.14x = 1,705,231.17 × 378,775.87
  4. Step 4: Simplify right side
    1,137,201.14x = 645,900,415,704.79
  5. Step 5: Solve for x
    x = 645,900,415,704.79/1,137,201.14
  6. Step 6: Final answer
    x = 567,973.77

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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.