Home / 1,337,057.11-2,005,388.38-390,173.59

Finding the Fourth Proportional to 1,337,057.11, 2,005,388.38 and 390,173.59

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Solution

The fourth proportional to 1,337,057.11, 2,005,388.38 and 390,173.59 is: 585,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,057.11 : 2,005,388.38 = 390,173.59 : x
  2. Step 2: Convert to fraction form
    1,337,057.11/2,005,388.38 = 390,173.59/x
  3. Step 3: Cross multiply
    1,337,057.11x = 2,005,388.38 × 390,173.59
  4. Step 4: Simplify right side
    1,337,057.11x = 782,449,579,043.13
  5. Step 5: Solve for x
    x = 782,449,579,043.13/1,337,057.11
  6. Step 6: Final answer
    x = 585,202.81

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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.