Home / 1,431,513.34-2,147,213.92-484,884.03

Finding the Fourth Proportional to 1,431,513.34, 2,147,213.92 and 484,884.03

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Solution

The fourth proportional to 1,431,513.34, 2,147,213.92 and 484,884.03 is: 727,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,513.34 : 2,147,213.92 = 484,884.03 : x
  2. Step 2: Convert to fraction form
    1,431,513.34/2,147,213.92 = 484,884.03/x
  3. Step 3: Cross multiply
    1,431,513.34x = 2,147,213.92 × 484,884.03
  4. Step 4: Simplify right side
    1,431,513.34x = 1,041,149,738,801.70
  5. Step 5: Solve for x
    x = 1,041,149,738,801.70/1,431,513.34
  6. Step 6: Final answer
    x = 727,307.05

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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.