Home / 1,192,889.32-1,646,232.78-683,690.20

Finding the Fourth Proportional to 1,192,889.32, 1,646,232.78 and 683,690.20

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Solution

The fourth proportional to 1,192,889.32, 1,646,232.78 and 683,690.20 is: 943,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,889.32 : 1,646,232.78 = 683,690.20 : x
  2. Step 2: Convert to fraction form
    1,192,889.32/1,646,232.78 = 683,690.20/x
  3. Step 3: Cross multiply
    1,192,889.32x = 1,646,232.78 × 683,690.20
  4. Step 4: Simplify right side
    1,192,889.32x = 1,125,513,218,604.76
  5. Step 5: Solve for x
    x = 1,125,513,218,604.76/1,192,889.32
  6. Step 6: Final answer
    x = 943,518.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.