Home / 1,059,469.05-1,590,202.29-386,201.10

Finding the Fourth Proportional to 1,059,469.05, 1,590,202.29 and 386,201.10

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Solution

The fourth proportional to 1,059,469.05, 1,590,202.29 and 386,201.10 is: 579,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,469.05 : 1,590,202.29 = 386,201.10 : x
  2. Step 2: Convert to fraction form
    1,059,469.05/1,590,202.29 = 386,201.10/x
  3. Step 3: Cross multiply
    1,059,469.05x = 1,590,202.29 × 386,201.10
  4. Step 4: Simplify right side
    1,059,469.05x = 614,137,873,620.52
  5. Step 5: Solve for x
    x = 614,137,873,620.52/1,059,469.05
  6. Step 6: Final answer
    x = 579,665.70

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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.