Home / 1,057,942.20-1,587,146.58-347,941.56

Finding the Fourth Proportional to 1,057,942.20, 1,587,146.58 and 347,941.56

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Solution

The fourth proportional to 1,057,942.20, 1,587,146.58 and 347,941.56 is: 521,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,942.20 : 1,587,146.58 = 347,941.56 : x
  2. Step 2: Convert to fraction form
    1,057,942.20/1,587,146.58 = 347,941.56/x
  3. Step 3: Cross multiply
    1,057,942.20x = 1,587,146.58 × 347,941.56
  4. Step 4: Simplify right side
    1,057,942.20x = 552,234,256,993.87
  5. Step 5: Solve for x
    x = 552,234,256,993.87/1,057,942.20
  6. Step 6: Final answer
    x = 521,989.06

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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.