Home / 1,431,537.80-2,147,250.60-484,908.48

Finding the Fourth Proportional to 1,431,537.80, 2,147,250.60 and 484,908.48

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Solution

The fourth proportional to 1,431,537.80, 2,147,250.60 and 484,908.48 is: 727,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,537.80 : 2,147,250.60 = 484,908.48 : x
  2. Step 2: Convert to fraction form
    1,431,537.80/2,147,250.60 = 484,908.48/x
  3. Step 3: Cross multiply
    1,431,537.80x = 2,147,250.60 × 484,908.48
  4. Step 4: Simplify right side
    1,431,537.80x = 1,041,220,024,625.09
  5. Step 5: Solve for x
    x = 1,041,220,024,625.09/1,431,537.80
  6. Step 6: Final answer
    x = 727,343.72

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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.