Home / 1,143,621.36-1,715,585.64-433,912.56

Finding the Fourth Proportional to 1,143,621.36, 1,715,585.64 and 433,912.56

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Solution

The fourth proportional to 1,143,621.36, 1,715,585.64 and 433,912.56 is: 650,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,621.36 : 1,715,585.64 = 433,912.56 : x
  2. Step 2: Convert to fraction form
    1,143,621.36/1,715,585.64 = 433,912.56/x
  3. Step 3: Cross multiply
    1,143,621.36x = 1,715,585.64 × 433,912.56
  4. Step 4: Simplify right side
    1,143,621.36x = 744,414,156,951.64
  5. Step 5: Solve for x
    x = 744,414,156,951.64/1,143,621.36
  6. Step 6: Final answer
    x = 650,927.12

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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.